Finding the Fourth Proportional to 8,422.52, 12,633.72 and 2,182.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,422.52 : 12,633.72 = 2,182.55 : x
2. Step 2: Convert to fraction form
   8,422.52/12,633.72 = 2,182.55/x
3. Step 3: Cross multiply
   8,422.52x = 12,633.72 × 2,182.55
4. Step 4: Simplify right side
   8,422.52x = 27,573,725.59
5. Step 5: Solve for x
   x = 27,573,725.59/8,422.52
6. Step 6: Final answer
   x = 3,273.81