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Finding the Fourth Proportional to 74,167.20, 111,337.20 and 44,618.40

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Solution

The fourth proportional to 74,167.20, 111,337.20 and 44,618.40 is: 66,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.20 : 111,337.20 = 44,618.40 : x
  2. Step 2: Convert to fraction form
    74,167.20/111,337.20 = 44,618.40/x
  3. Step 3: Cross multiply
    74,167.20x = 111,337.20 × 44,618.40
  4. Step 4: Simplify right side
    74,167.20x = 4,967,687,724.48
  5. Step 5: Solve for x
    x = 4,967,687,724.48/74,167.20
  6. Step 6: Final answer
    x = 66,979.58

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