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Finding the Fourth Proportional to 82,708.80, 114,128.64 and 46,891.68

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Solution

The fourth proportional to 82,708.80, 114,128.64 and 46,891.68 is: 64,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,708.80 : 114,128.64 = 46,891.68 : x
  2. Step 2: Convert to fraction form
    82,708.80/114,128.64 = 46,891.68/x
  3. Step 3: Cross multiply
    82,708.80x = 114,128.64 × 46,891.68
  4. Step 4: Simplify right side
    82,708.80x = 5,351,683,665.72
  5. Step 5: Solve for x
    x = 5,351,683,665.72/82,708.80
  6. Step 6: Final answer
    x = 64,705.13

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