Finding the Fourth Proportional to 22,517.82, 31,053.84 and 20,729.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,517.82 : 31,053.84 = 20,729.25 : x
2. Step 2: Convert to fraction form
   22,517.82/31,053.84 = 20,729.25/x
3. Step 3: Cross multiply
   22,517.82x = 31,053.84 × 20,729.25
4. Step 4: Simplify right side
   22,517.82x = 643,722,812.82
5. Step 5: Solve for x
   x = 643,722,812.82/22,517.82
6. Step 6: Final answer
   x = 28,587.26