Finding the Fourth Proportional to 40,113.50, 55,356.93 and 22,208.78

Step by Step Solution

1. Step 1: Write the proportion equation
   40,113.50 : 55,356.93 = 22,208.78 : x
2. Step 2: Convert to fraction form
   40,113.50/55,356.93 = 22,208.78/x
3. Step 3: Cross multiply
   40,113.50x = 55,356.93 × 22,208.78
4. Step 4: Simplify right side
   40,113.50x = 1,229,410,018.24
5. Step 5: Solve for x
   x = 1,229,410,018.24/40,113.50
6. Step 6: Final answer
   x = 30,648.29