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Finding the Fourth Proportional to 99,084.04, 136,735.92 and 56,643.48

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Solution

The fourth proportional to 99,084.04, 136,735.92 and 56,643.48 is: 78,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,084.04 : 136,735.92 = 56,643.48 : x
  2. Step 2: Convert to fraction form
    99,084.04/136,735.92 = 56,643.48/x
  3. Step 3: Cross multiply
    99,084.04x = 136,735.92 × 56,643.48
  4. Step 4: Simplify right side
    99,084.04x = 7,745,198,349.80
  5. Step 5: Solve for x
    x = 7,745,198,349.80/99,084.04
  6. Step 6: Final answer
    x = 78,167.97

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