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Finding the Fourth Proportional to 54,811.02, 82,216.26 and 13,258.02

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Solution

The fourth proportional to 54,811.02, 82,216.26 and 13,258.02 is: 19,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.02 : 82,216.26 = 13,258.02 : x
  2. Step 2: Convert to fraction form
    54,811.02/82,216.26 = 13,258.02/x
  3. Step 3: Cross multiply
    54,811.02x = 82,216.26 × 13,258.02
  4. Step 4: Simplify right side
    54,811.02x = 1,090,024,819.41
  5. Step 5: Solve for x
    x = 1,090,024,819.41/54,811.02
  6. Step 6: Final answer
    x = 19,886.96

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