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Finding the Fourth Proportional to 13,699.26, 18,904.98 and 7,732.19

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Solution

The fourth proportional to 13,699.26, 18,904.98 and 7,732.19 is: 10,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.26 : 18,904.98 = 7,732.19 : x
  2. Step 2: Convert to fraction form
    13,699.26/18,904.98 = 7,732.19/x
  3. Step 3: Cross multiply
    13,699.26x = 18,904.98 × 7,732.19
  4. Step 4: Simplify right side
    13,699.26x = 146,176,802.78
  5. Step 5: Solve for x
    x = 146,176,802.78/13,699.26
  6. Step 6: Final answer
    x = 10,670.42

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