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Finding the Fourth Proportional to 54,421.21, 81,628.94 and 16,976.99

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Solution

The fourth proportional to 54,421.21, 81,628.94 and 16,976.99 is: 25,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.21 : 81,628.94 = 16,976.99 : x
  2. Step 2: Convert to fraction form
    54,421.21/81,628.94 = 16,976.99/x
  3. Step 3: Cross multiply
    54,421.21x = 81,628.94 × 16,976.99
  4. Step 4: Simplify right side
    54,421.21x = 1,385,813,613.21
  5. Step 5: Solve for x
    x = 1,385,813,613.21/54,421.21
  6. Step 6: Final answer
    x = 25,464.59

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