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Finding the Fourth Proportional to 123,460.82, 170,375.94 and 66,872.21

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Solution

The fourth proportional to 123,460.82, 170,375.94 and 66,872.21 is: 92,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.82 : 170,375.94 = 66,872.21 : x
  2. Step 2: Convert to fraction form
    123,460.82/170,375.94 = 66,872.21/x
  3. Step 3: Cross multiply
    123,460.82x = 170,375.94 × 66,872.21
  4. Step 4: Simplify right side
    123,460.82x = 11,393,415,638.63
  5. Step 5: Solve for x
    x = 11,393,415,638.63/123,460.82
  6. Step 6: Final answer
    x = 92,283.65

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