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Finding the Fourth Proportional to 91,514.78, 126,290.45 and 51,228.62

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Solution

The fourth proportional to 91,514.78, 126,290.45 and 51,228.62 is: 70,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,514.78 : 126,290.45 = 51,228.62 : x
  2. Step 2: Convert to fraction form
    91,514.78/126,290.45 = 51,228.62/x
  3. Step 3: Cross multiply
    91,514.78x = 126,290.45 × 51,228.62
  4. Step 4: Simplify right side
    91,514.78x = 6,469,685,916.48
  5. Step 5: Solve for x
    x = 6,469,685,916.48/91,514.78
  6. Step 6: Final answer
    x = 70,695.53

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