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Finding the Fourth Proportional to 17,390.64, 23,999.08 and 9,836.80

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Solution

The fourth proportional to 17,390.64, 23,999.08 and 9,836.80 is: 13,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.64 : 23,999.08 = 9,836.80 : x
  2. Step 2: Convert to fraction form
    17,390.64/23,999.08 = 9,836.80/x
  3. Step 3: Cross multiply
    17,390.64x = 23,999.08 × 9,836.80
  4. Step 4: Simplify right side
    17,390.64x = 236,074,245.83
  5. Step 5: Solve for x
    x = 236,074,245.83/17,390.64
  6. Step 6: Final answer
    x = 13,574.79

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