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Finding the Fourth Proportional to 17,155.63, 23,673.18 and 9,985.22

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Solution

The fourth proportional to 17,155.63, 23,673.18 and 9,985.22 is: 13,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.63 : 23,673.18 = 9,985.22 : x
  2. Step 2: Convert to fraction form
    17,155.63/23,673.18 = 9,985.22/x
  3. Step 3: Cross multiply
    17,155.63x = 23,673.18 × 9,985.22
  4. Step 4: Simplify right side
    17,155.63x = 236,381,995.25
  5. Step 5: Solve for x
    x = 236,381,995.25/17,155.63
  6. Step 6: Final answer
    x = 13,778.68

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