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Finding the Fourth Proportional to 587,210.20, 880,815.30 and 213,184.60

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Solution

The fourth proportional to 587,210.20, 880,815.30 and 213,184.60 is: 319,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,210.20 : 880,815.30 = 213,184.60 : x
  2. Step 2: Convert to fraction form
    587,210.20/880,815.30 = 213,184.60/x
  3. Step 3: Cross multiply
    587,210.20x = 880,815.30 × 213,184.60
  4. Step 4: Simplify right side
    587,210.20x = 187,776,257,404.38
  5. Step 5: Solve for x
    x = 187,776,257,404.38/587,210.20
  6. Step 6: Final answer
    x = 319,776.90

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