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Finding the Fourth Proportional to 14,194.79, 19,588.56 and 7,821.98

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Solution

The fourth proportional to 14,194.79, 19,588.56 and 7,821.98 is: 10,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.79 : 19,588.56 = 7,821.98 : x
  2. Step 2: Convert to fraction form
    14,194.79/19,588.56 = 7,821.98/x
  3. Step 3: Cross multiply
    14,194.79x = 19,588.56 × 7,821.98
  4. Step 4: Simplify right side
    14,194.79x = 153,221,324.55
  5. Step 5: Solve for x
    x = 153,221,324.55/14,194.79
  6. Step 6: Final answer
    x = 10,794.19

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