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Finding the Fourth Proportional to 34,187.78, 51,264.79 and 10,489.66

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Solution

The fourth proportional to 34,187.78, 51,264.79 and 10,489.66 is: 15,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.78 : 51,264.79 = 10,489.66 : x
  2. Step 2: Convert to fraction form
    34,187.78/51,264.79 = 10,489.66/x
  3. Step 3: Cross multiply
    34,187.78x = 51,264.79 × 10,489.66
  4. Step 4: Simplify right side
    34,187.78x = 537,750,062.69
  5. Step 5: Solve for x
    x = 537,750,062.69/34,187.78
  6. Step 6: Final answer
    x = 15,729.31

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