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Finding the Fourth Proportional to 37,773.63, 52,128.75 and 20,776.99

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Solution

The fourth proportional to 37,773.63, 52,128.75 and 20,776.99 is: 28,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.63 : 52,128.75 = 20,776.99 : x
  2. Step 2: Convert to fraction form
    37,773.63/52,128.75 = 20,776.99/x
  3. Step 3: Cross multiply
    37,773.63x = 52,128.75 × 20,776.99
  4. Step 4: Simplify right side
    37,773.63x = 1,083,078,517.46
  5. Step 5: Solve for x
    x = 1,083,078,517.46/37,773.63
  6. Step 6: Final answer
    x = 28,672.87

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