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Finding the Fourth Proportional to 55,206.80, 82,810.20 and 46,653.20

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Solution

The fourth proportional to 55,206.80, 82,810.20 and 46,653.20 is: 69,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.80 : 82,810.20 = 46,653.20 : x
  2. Step 2: Convert to fraction form
    55,206.80/82,810.20 = 46,653.20/x
  3. Step 3: Cross multiply
    55,206.80x = 82,810.20 × 46,653.20
  4. Step 4: Simplify right side
    55,206.80x = 3,863,360,822.64
  5. Step 5: Solve for x
    x = 3,863,360,822.64/55,206.80
  6. Step 6: Final answer
    x = 69,979.80

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