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Finding the Fourth Proportional to 99,241.76, 136,956.22 and 56,813.96

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Solution

The fourth proportional to 99,241.76, 136,956.22 and 56,813.96 is: 78,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,241.76 : 136,956.22 = 56,813.96 : x
  2. Step 2: Convert to fraction form
    99,241.76/136,956.22 = 56,813.96/x
  3. Step 3: Cross multiply
    99,241.76x = 136,956.22 × 56,813.96
  4. Step 4: Simplify right side
    99,241.76x = 7,781,025,204.83
  5. Step 5: Solve for x
    x = 7,781,025,204.83/99,241.76
  6. Step 6: Final answer
    x = 78,404.75

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