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Finding the Fourth Proportional to 198,039.92, 297,069.96 and 57,809.12

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Solution

The fourth proportional to 198,039.92, 297,069.96 and 57,809.12 is: 86,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,039.92 : 297,069.96 = 57,809.12 : x
  2. Step 2: Convert to fraction form
    198,039.92/297,069.96 = 57,809.12/x
  3. Step 3: Cross multiply
    198,039.92x = 297,069.96 × 57,809.12
  4. Step 4: Simplify right side
    198,039.92x = 17,173,352,966.04
  5. Step 5: Solve for x
    x = 17,173,352,966.04/198,039.92
  6. Step 6: Final answer
    x = 86,716.62

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