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Finding the Fourth Proportional to 29,279.97, 40,409.55 and 19,216.53

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Solution

The fourth proportional to 29,279.97, 40,409.55 and 19,216.53 is: 26,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.97 : 40,409.55 = 19,216.53 : x
  2. Step 2: Convert to fraction form
    29,279.97/40,409.55 = 19,216.53/x
  3. Step 3: Cross multiply
    29,279.97x = 40,409.55 × 19,216.53
  4. Step 4: Simplify right side
    29,279.97x = 776,531,329.86
  5. Step 5: Solve for x
    x = 776,531,329.86/29,279.97
  6. Step 6: Final answer
    x = 26,520.91

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