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Finding the Fourth Proportional to 210,031.60, 315,046.74 and 52,260.04

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Solution

The fourth proportional to 210,031.60, 315,046.74 and 52,260.04 is: 78,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,031.60 : 315,046.74 = 52,260.04 : x
  2. Step 2: Convert to fraction form
    210,031.60/315,046.74 = 52,260.04/x
  3. Step 3: Cross multiply
    210,031.60x = 315,046.74 × 52,260.04
  4. Step 4: Simplify right side
    210,031.60x = 16,464,355,234.27
  5. Step 5: Solve for x
    x = 16,464,355,234.27/210,031.60
  6. Step 6: Final answer
    x = 78,389.90

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