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Finding the Fourth Proportional to 123,897.36, 185,386.76 and 74,004.60

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Solution

The fourth proportional to 123,897.36, 185,386.76 and 74,004.60 is: 110,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897.36 : 185,386.76 = 74,004.60 : x
  2. Step 2: Convert to fraction form
    123,897.36/185,386.76 = 74,004.60/x
  3. Step 3: Cross multiply
    123,897.36x = 185,386.76 × 74,004.60
  4. Step 4: Simplify right side
    123,897.36x = 13,719,473,019.10
  5. Step 5: Solve for x
    x = 13,719,473,019.10/123,897.36
  6. Step 6: Final answer
    x = 110,732.57

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