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Finding the Fourth Proportional to 31,191.96, 46,762.02 and 12,736.92

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Solution

The fourth proportional to 31,191.96, 46,762.02 and 12,736.92 is: 19,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.96 : 46,762.02 = 12,736.92 : x
  2. Step 2: Convert to fraction form
    31,191.96/46,762.02 = 12,736.92/x
  3. Step 3: Cross multiply
    31,191.96x = 46,762.02 × 12,736.92
  4. Step 4: Simplify right side
    31,191.96x = 595,604,107.78
  5. Step 5: Solve for x
    x = 595,604,107.78/31,191.96
  6. Step 6: Final answer
    x = 19,094.80

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