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Finding the Fourth Proportional to 48,455.40, 72,686.70 and 17,286.60

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Solution

The fourth proportional to 48,455.40, 72,686.70 and 17,286.60 is: 25,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.40 : 72,686.70 = 17,286.60 : x
  2. Step 2: Convert to fraction form
    48,455.40/72,686.70 = 17,286.60/x
  3. Step 3: Cross multiply
    48,455.40x = 72,686.70 × 17,286.60
  4. Step 4: Simplify right side
    48,455.40x = 1,256,505,908.22
  5. Step 5: Solve for x
    x = 1,256,505,908.22/48,455.40
  6. Step 6: Final answer
    x = 25,931.18

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