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Finding the Fourth Proportional to 10,168.60, 15,245.70 and 3,926.20

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Solution

The fourth proportional to 10,168.60, 15,245.70 and 3,926.20 is: 5,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.60 : 15,245.70 = 3,926.20 : x
  2. Step 2: Convert to fraction form
    10,168.60/15,245.70 = 3,926.20/x
  3. Step 3: Cross multiply
    10,168.60x = 15,245.70 × 3,926.20
  4. Step 4: Simplify right side
    10,168.60x = 59,857,667.34
  5. Step 5: Solve for x
    x = 59,857,667.34/10,168.60
  6. Step 6: Final answer
    x = 5,886.52

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