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Finding the Fourth Proportional to 359,872.40, 539,808.60 and 354,623.60

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Solution

The fourth proportional to 359,872.40, 539,808.60 and 354,623.60 is: 531,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,872.40 : 539,808.60 = 354,623.60 : x
  2. Step 2: Convert to fraction form
    359,872.40/539,808.60 = 354,623.60/x
  3. Step 3: Cross multiply
    359,872.40x = 539,808.60 × 354,623.60
  4. Step 4: Simplify right side
    359,872.40x = 191,428,869,042.96
  5. Step 5: Solve for x
    x = 191,428,869,042.96/359,872.40
  6. Step 6: Final answer
    x = 531,935.40

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