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Finding the Fourth Proportional to 359,306.24, 538,802.90 and 103,082.28

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Solution

The fourth proportional to 359,306.24, 538,802.90 and 103,082.28 is: 154,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,306.24 : 538,802.90 = 103,082.28 : x
  2. Step 2: Convert to fraction form
    359,306.24/538,802.90 = 103,082.28/x
  3. Step 3: Cross multiply
    359,306.24x = 538,802.90 × 103,082.28
  4. Step 4: Simplify right side
    359,306.24x = 55,541,030,887.20
  5. Step 5: Solve for x
    x = 55,541,030,887.20/359,306.24
  6. Step 6: Final answer
    x = 154,578.53

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