Finding the Fourth Proportional to 40,150.62, 55,407.04 and 22,245.57

Step by Step Solution

1. Step 1: Write the proportion equation
   40,150.62 : 55,407.04 = 22,245.57 : x
2. Step 2: Convert to fraction form
   40,150.62/55,407.04 = 22,245.57/x
3. Step 3: Cross multiply
   40,150.62x = 55,407.04 × 22,245.57
4. Step 4: Simplify right side
   40,150.62x = 1,232,561,131.20
5. Step 5: Solve for x
   x = 1,232,561,131.20/40,150.62
6. Step 6: Final answer
   x = 30,698.43