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Finding the Fourth Proportional to 19,255.90, 28,905.45 and 14,892.70

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Solution

The fourth proportional to 19,255.90, 28,905.45 and 14,892.70 is: 22,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.90 : 28,905.45 = 14,892.70 : x
  2. Step 2: Convert to fraction form
    19,255.90/28,905.45 = 14,892.70/x
  3. Step 3: Cross multiply
    19,255.90x = 28,905.45 × 14,892.70
  4. Step 4: Simplify right side
    19,255.90x = 430,480,195.22
  5. Step 5: Solve for x
    x = 430,480,195.22/19,255.90
  6. Step 6: Final answer
    x = 22,355.76

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