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Finding the Fourth Proportional to 61,097.12, 91,645.68 and 16,722.08

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Solution

The fourth proportional to 61,097.12, 91,645.68 and 16,722.08 is: 25,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,097.12 : 91,645.68 = 16,722.08 : x
  2. Step 2: Convert to fraction form
    61,097.12/91,645.68 = 16,722.08/x
  3. Step 3: Cross multiply
    61,097.12x = 91,645.68 × 16,722.08
  4. Step 4: Simplify right side
    61,097.12x = 1,532,506,392.61
  5. Step 5: Solve for x
    x = 1,532,506,392.61/61,097.12
  6. Step 6: Final answer
    x = 25,083.12

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