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Finding the Fourth Proportional to 8,765.84, 13,149.44 and 2,922.44

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Solution

The fourth proportional to 8,765.84, 13,149.44 and 2,922.44 is: 4,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.84 : 13,149.44 = 2,922.44 : x
  2. Step 2: Convert to fraction form
    8,765.84/13,149.44 = 2,922.44/x
  3. Step 3: Cross multiply
    8,765.84x = 13,149.44 × 2,922.44
  4. Step 4: Simplify right side
    8,765.84x = 38,428,467.69
  5. Step 5: Solve for x
    x = 38,428,467.69/8,765.84
  6. Step 6: Final answer
    x = 4,383.89

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