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Finding the Fourth Proportional to 123,963.20, 171,068.60 and 67,374.57

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Solution

The fourth proportional to 123,963.20, 171,068.60 and 67,374.57 is: 92,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,963.20 : 171,068.60 = 67,374.57 : x
  2. Step 2: Convert to fraction form
    123,963.20/171,068.60 = 67,374.57/x
  3. Step 3: Cross multiply
    123,963.20x = 171,068.60 × 67,374.57
  4. Step 4: Simplify right side
    123,963.20x = 11,525,673,028.63
  5. Step 5: Solve for x
    x = 11,525,673,028.63/123,963.20
  6. Step 6: Final answer
    x = 92,976.57

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