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Finding the Fourth Proportional to 587,029.20, 880,543.80 and 213,003.60

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Solution

The fourth proportional to 587,029.20, 880,543.80 and 213,003.60 is: 319,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,029.20 : 880,543.80 = 213,003.60 : x
  2. Step 2: Convert to fraction form
    587,029.20/880,543.80 = 213,003.60/x
  3. Step 3: Cross multiply
    587,029.20x = 880,543.80 × 213,003.60
  4. Step 4: Simplify right side
    587,029.20x = 187,558,999,357.68
  5. Step 5: Solve for x
    x = 187,558,999,357.68/587,029.20
  6. Step 6: Final answer
    x = 319,505.40

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