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Finding the Fourth Proportional to 422,779.02, 583,440.72 and 231,791.94

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Solution

The fourth proportional to 422,779.02, 583,440.72 and 231,791.94 is: 319,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,779.02 : 583,440.72 = 231,791.94 : x
  2. Step 2: Convert to fraction form
    422,779.02/583,440.72 = 231,791.94/x
  3. Step 3: Cross multiply
    422,779.02x = 583,440.72 × 231,791.94
  4. Step 4: Simplify right side
    422,779.02x = 135,236,856,363.80
  5. Step 5: Solve for x
    x = 135,236,856,363.80/422,779.02
  6. Step 6: Final answer
    x = 319,875.99

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