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Finding the Fourth Proportional to 577,864.85, 866,581.74 and 198,678.22

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Solution

The fourth proportional to 577,864.85, 866,581.74 and 198,678.22 is: 297,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,864.85 : 866,581.74 = 198,678.22 : x
  2. Step 2: Convert to fraction form
    577,864.85/866,581.74 = 198,678.22/x
  3. Step 3: Cross multiply
    577,864.85x = 866,581.74 × 198,678.22
  4. Step 4: Simplify right side
    577,864.85x = 172,170,915,421.25
  5. Step 5: Solve for x
    x = 172,170,915,421.25/577,864.85
  6. Step 6: Final answer
    x = 297,943.22

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