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Finding the Fourth Proportional to 99,048.92, 136,687.92 and 56,608.88

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Solution

The fourth proportional to 99,048.92, 136,687.92 and 56,608.88 is: 78,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,048.92 : 136,687.92 = 56,608.88 : x
  2. Step 2: Convert to fraction form
    99,048.92/136,687.92 = 56,608.88/x
  3. Step 3: Cross multiply
    99,048.92x = 136,687.92 × 56,608.88
  4. Step 4: Simplify right side
    99,048.92x = 7,737,750,060.73
  5. Step 5: Solve for x
    x = 7,737,750,060.73/99,048.92
  6. Step 6: Final answer
    x = 78,120.49

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