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Finding the Fourth Proportional to 91,398.84, 126,144.66 and 55,600.08

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Solution

The fourth proportional to 91,398.84, 126,144.66 and 55,600.08 is: 76,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398.84 : 126,144.66 = 55,600.08 : x
  2. Step 2: Convert to fraction form
    91,398.84/126,144.66 = 55,600.08/x
  3. Step 3: Cross multiply
    91,398.84x = 126,144.66 × 55,600.08
  4. Step 4: Simplify right side
    91,398.84x = 7,013,653,187.57
  5. Step 5: Solve for x
    x = 7,013,653,187.57/91,398.84
  6. Step 6: Final answer
    x = 76,736.79

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