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Finding the Fourth Proportional to 359,271.20, 538,906.80 and 122,535.20

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Solution

The fourth proportional to 359,271.20, 538,906.80 and 122,535.20 is: 183,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,271.20 : 538,906.80 = 122,535.20 : x
  2. Step 2: Convert to fraction form
    359,271.20/538,906.80 = 122,535.20/x
  3. Step 3: Cross multiply
    359,271.20x = 538,906.80 × 122,535.20
  4. Step 4: Simplify right side
    359,271.20x = 66,035,052,519.36
  5. Step 5: Solve for x
    x = 66,035,052,519.36/359,271.20
  6. Step 6: Final answer
    x = 183,802.80

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