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Finding the Fourth Proportional to 2,158,544.84, 2,978,795.66 and 1,191,676.69

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Solution

The fourth proportional to 2,158,544.84, 2,978,795.66 and 1,191,676.69 is: 1,644,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,544.84 : 2,978,795.66 = 1,191,676.69 : x
  2. Step 2: Convert to fraction form
    2,158,544.84/2,978,795.66 = 1,191,676.69/x
  3. Step 3: Cross multiply
    2,158,544.84x = 2,978,795.66 × 1,191,676.69
  4. Step 4: Simplify right side
    2,158,544.84x = 3,549,761,352,295.17
  5. Step 5: Solve for x
    x = 3,549,761,352,295.17/2,158,544.84
  6. Step 6: Final answer
    x = 1,644,515.92

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