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Finding the Fourth Proportional to 123,312.06, 170,203.56 and 69,628.50

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Solution

The fourth proportional to 123,312.06, 170,203.56 and 69,628.50 is: 96,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,312.06 : 170,203.56 = 69,628.50 : x
  2. Step 2: Convert to fraction form
    123,312.06/170,203.56 = 69,628.50/x
  3. Step 3: Cross multiply
    123,312.06x = 170,203.56 × 69,628.50
  4. Step 4: Simplify right side
    123,312.06x = 11,851,018,577.46
  5. Step 5: Solve for x
    x = 11,851,018,577.46/123,312.06
  6. Step 6: Final answer
    x = 96,105.92

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