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Finding the Fourth Proportional to 54,408.66, 81,438.03 and 28,077.54

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Solution

The fourth proportional to 54,408.66, 81,438.03 and 28,077.54 is: 42,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.66 : 81,438.03 = 28,077.54 : x
  2. Step 2: Convert to fraction form
    54,408.66/81,438.03 = 28,077.54/x
  3. Step 3: Cross multiply
    54,408.66x = 81,438.03 × 28,077.54
  4. Step 4: Simplify right side
    54,408.66x = 2,286,579,544.85
  5. Step 5: Solve for x
    x = 2,286,579,544.85/54,408.66
  6. Step 6: Final answer
    x = 42,026.02

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