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Finding the Fourth Proportional to 283,722.58, 391,537.08 and 156,400.30

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Solution

The fourth proportional to 283,722.58, 391,537.08 and 156,400.30 is: 215,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,722.58 : 391,537.08 = 156,400.30 : x
  2. Step 2: Convert to fraction form
    283,722.58/391,537.08 = 156,400.30/x
  3. Step 3: Cross multiply
    283,722.58x = 391,537.08 × 156,400.30
  4. Step 4: Simplify right side
    283,722.58x = 61,236,516,773.12
  5. Step 5: Solve for x
    x = 61,236,516,773.12/283,722.58
  6. Step 6: Final answer
    x = 215,832.37

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