Finding the Fourth Proportional to 40,456.72, 55,829.12 and 22,551.35

Step by Step Solution

1. Step 1: Write the proportion equation
   40,456.72 : 55,829.12 = 22,551.35 : x
2. Step 2: Convert to fraction form
   40,456.72/55,829.12 = 22,551.35/x
3. Step 3: Cross multiply
   40,456.72x = 55,829.12 × 22,551.35
4. Step 4: Simplify right side
   40,456.72x = 1,259,022,025.31
5. Step 5: Solve for x
   x = 1,259,022,025.31/40,456.72
6. Step 6: Final answer
   x = 31,120.22