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Finding the Fourth Proportional to 58,787.54, 81,127.39 and 31,930.57

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Solution

The fourth proportional to 58,787.54, 81,127.39 and 31,930.57 is: 44,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.54 : 81,127.39 = 31,930.57 : x
  2. Step 2: Convert to fraction form
    58,787.54/81,127.39 = 31,930.57/x
  3. Step 3: Cross multiply
    58,787.54x = 81,127.39 × 31,930.57
  4. Step 4: Simplify right side
    58,787.54x = 2,590,443,522.67
  5. Step 5: Solve for x
    x = 2,590,443,522.67/58,787.54
  6. Step 6: Final answer
    x = 44,064.50

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