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Finding the Fourth Proportional to 84,148.89, 126,103.05 and 61,786.82

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Solution

The fourth proportional to 84,148.89, 126,103.05 and 61,786.82 is: 92,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,148.89 : 126,103.05 = 61,786.82 : x
  2. Step 2: Convert to fraction form
    84,148.89/126,103.05 = 61,786.82/x
  3. Step 3: Cross multiply
    84,148.89x = 126,103.05 × 61,786.82
  4. Step 4: Simplify right side
    84,148.89x = 7,791,505,821.29
  5. Step 5: Solve for x
    x = 7,791,505,821.29/84,148.89
  6. Step 6: Final answer
    x = 92,591.90

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