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Finding the Fourth Proportional to 214,911.40, 322,367.10 and 57,155.80

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Solution

The fourth proportional to 214,911.40, 322,367.10 and 57,155.80 is: 85,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,911.40 : 322,367.10 = 57,155.80 : x
  2. Step 2: Convert to fraction form
    214,911.40/322,367.10 = 57,155.80/x
  3. Step 3: Cross multiply
    214,911.40x = 322,367.10 × 57,155.80
  4. Step 4: Simplify right side
    214,911.40x = 18,425,149,494.18
  5. Step 5: Solve for x
    x = 18,425,149,494.18/214,911.40
  6. Step 6: Final answer
    x = 85,733.70

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