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Finding the Fourth Proportional to 115,671.38, 173,428.02 and 61,644.21

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Solution

The fourth proportional to 115,671.38, 173,428.02 and 61,644.21 is: 92,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,671.38 : 173,428.02 = 61,644.21 : x
  2. Step 2: Convert to fraction form
    115,671.38/173,428.02 = 61,644.21/x
  3. Step 3: Cross multiply
    115,671.38x = 173,428.02 × 61,644.21
  4. Step 4: Simplify right side
    115,671.38x = 10,690,832,634.41
  5. Step 5: Solve for x
    x = 10,690,832,634.41/115,671.38
  6. Step 6: Final answer
    x = 92,424.19

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