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Finding the Fourth Proportional to 54,772.74, 82,159.20 and 13,219.74

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Solution

The fourth proportional to 54,772.74, 82,159.20 and 13,219.74 is: 19,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.74 : 82,159.20 = 13,219.74 : x
  2. Step 2: Convert to fraction form
    54,772.74/82,159.20 = 13,219.74/x
  3. Step 3: Cross multiply
    54,772.74x = 82,159.20 × 13,219.74
  4. Step 4: Simplify right side
    54,772.74x = 1,086,123,262.61
  5. Step 5: Solve for x
    x = 1,086,123,262.61/54,772.74
  6. Step 6: Final answer
    x = 19,829.63

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