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Finding the Fourth Proportional to 13,862.04, 19,129.60 and 7,574.42

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Solution

The fourth proportional to 13,862.04, 19,129.60 and 7,574.42 is: 10,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.04 : 19,129.60 = 7,574.42 : x
  2. Step 2: Convert to fraction form
    13,862.04/19,129.60 = 7,574.42/x
  3. Step 3: Cross multiply
    13,862.04x = 19,129.60 × 7,574.42
  4. Step 4: Simplify right side
    13,862.04x = 144,895,538.65
  5. Step 5: Solve for x
    x = 144,895,538.65/13,862.04
  6. Step 6: Final answer
    x = 10,452.69

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