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Finding the Fourth Proportional to 43,311.41, 64,967.11 and 10,479.41

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Solution

The fourth proportional to 43,311.41, 64,967.11 and 10,479.41 is: 15,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.41 : 64,967.11 = 10,479.41 : x
  2. Step 2: Convert to fraction form
    43,311.41/64,967.11 = 10,479.41/x
  3. Step 3: Cross multiply
    43,311.41x = 64,967.11 × 10,479.41
  4. Step 4: Simplify right side
    43,311.41x = 680,816,657.37
  5. Step 5: Solve for x
    x = 680,816,657.37/43,311.41
  6. Step 6: Final answer
    x = 15,719.11

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