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Finding the Fourth Proportional to 54,880.93, 82,311.80 and 15,428.67

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Solution

The fourth proportional to 54,880.93, 82,311.80 and 15,428.67 is: 23,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.93 : 82,311.80 = 15,428.67 : x
  2. Step 2: Convert to fraction form
    54,880.93/82,311.80 = 15,428.67/x
  3. Step 3: Cross multiply
    54,880.93x = 82,311.80 × 15,428.67
  4. Step 4: Simplify right side
    54,880.93x = 1,269,961,599.31
  5. Step 5: Solve for x
    x = 1,269,961,599.31/54,880.93
  6. Step 6: Final answer
    x = 23,140.31

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