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Finding the Fourth Proportional to 40,723.65, 61,095.04 and 12,642.27

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Solution

The fourth proportional to 40,723.65, 61,095.04 and 12,642.27 is: 18,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.65 : 61,095.04 = 12,642.27 : x
  2. Step 2: Convert to fraction form
    40,723.65/61,095.04 = 12,642.27/x
  3. Step 3: Cross multiply
    40,723.65x = 61,095.04 × 12,642.27
  4. Step 4: Simplify right side
    40,723.65x = 772,379,991.34
  5. Step 5: Solve for x
    x = 772,379,991.34/40,723.65
  6. Step 6: Final answer
    x = 18,966.37

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