Finding the Fourth Proportional to 22,422.52, 33,581.94 and 21,644.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,422.52 : 33,581.94 = 21,644.92 : x
2. Step 2: Convert to fraction form
   22,422.52/33,581.94 = 21,644.92/x
3. Step 3: Cross multiply
   22,422.52x = 33,581.94 × 21,644.92
4. Step 4: Simplify right side
   22,422.52x = 726,878,404.74
5. Step 5: Solve for x
   x = 726,878,404.74/22,422.52
6. Step 6: Final answer
   x = 32,417.34