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Finding the Fourth Proportional to 14,112.56, 19,476.48 and 7,824.80

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Solution

The fourth proportional to 14,112.56, 19,476.48 and 7,824.80 is: 10,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.56 : 19,476.48 = 7,824.80 : x
  2. Step 2: Convert to fraction form
    14,112.56/19,476.48 = 7,824.80/x
  3. Step 3: Cross multiply
    14,112.56x = 19,476.48 × 7,824.80
  4. Step 4: Simplify right side
    14,112.56x = 152,399,560.70
  5. Step 5: Solve for x
    x = 152,399,560.70/14,112.56
  6. Step 6: Final answer
    x = 10,798.86

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