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Finding the Fourth Proportional to 74,646.76, 102,979.24 and 50,439.92

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Solution

The fourth proportional to 74,646.76, 102,979.24 and 50,439.92 is: 69,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,646.76 : 102,979.24 = 50,439.92 : x
  2. Step 2: Convert to fraction form
    74,646.76/102,979.24 = 50,439.92/x
  3. Step 3: Cross multiply
    74,646.76x = 102,979.24 × 50,439.92
  4. Step 4: Simplify right side
    74,646.76x = 5,194,264,627.26
  5. Step 5: Solve for x
    x = 5,194,264,627.26/74,646.76
  6. Step 6: Final answer
    x = 69,584.60

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