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Finding the Fourth Proportional to 74,043.76, 111,035.07 and 28,444.57

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Solution

The fourth proportional to 74,043.76, 111,035.07 and 28,444.57 is: 42,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043.76 : 111,035.07 = 28,444.57 : x
  2. Step 2: Convert to fraction form
    74,043.76/111,035.07 = 28,444.57/x
  3. Step 3: Cross multiply
    74,043.76x = 111,035.07 × 28,444.57
  4. Step 4: Simplify right side
    74,043.76x = 3,158,344,821.07
  5. Step 5: Solve for x
    x = 3,158,344,821.07/74,043.76
  6. Step 6: Final answer
    x = 42,655.11

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