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Finding the Fourth Proportional to 96,555.78, 133,246.80 and 54,114.30

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Solution

The fourth proportional to 96,555.78, 133,246.80 and 54,114.30 is: 74,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,555.78 : 133,246.80 = 54,114.30 : x
  2. Step 2: Convert to fraction form
    96,555.78/133,246.80 = 54,114.30/x
  3. Step 3: Cross multiply
    96,555.78x = 133,246.80 × 54,114.30
  4. Step 4: Simplify right side
    96,555.78x = 7,210,557,309.24
  5. Step 5: Solve for x
    x = 7,210,557,309.24/96,555.78
  6. Step 6: Final answer
    x = 74,677.64

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