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Finding the Fourth Proportional to 192,439.40, 288,665.70 and 59,318.60

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Solution

The fourth proportional to 192,439.40, 288,665.70 and 59,318.60 is: 88,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,439.40 : 288,665.70 = 59,318.60 : x
  2. Step 2: Convert to fraction form
    192,439.40/288,665.70 = 59,318.60/x
  3. Step 3: Cross multiply
    192,439.40x = 288,665.70 × 59,318.60
  4. Step 4: Simplify right side
    192,439.40x = 17,123,245,192.02
  5. Step 5: Solve for x
    x = 17,123,245,192.02/192,439.40
  6. Step 6: Final answer
    x = 88,979.93

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