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Finding the Fourth Proportional to 123,268.58, 170,110.57 and 66,679.96

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Solution

The fourth proportional to 123,268.58, 170,110.57 and 66,679.96 is: 92,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,268.58 : 170,110.57 = 66,679.96 : x
  2. Step 2: Convert to fraction form
    123,268.58/170,110.57 = 66,679.96/x
  3. Step 3: Cross multiply
    123,268.58x = 170,110.57 × 66,679.96
  4. Step 4: Simplify right side
    123,268.58x = 11,342,964,819.22
  5. Step 5: Solve for x
    x = 11,342,964,819.22/123,268.58
  6. Step 6: Final answer
    x = 92,018.30

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