Finding the Fourth Proportional to 40,159.94, 55,422.69 and 22,255.02

Step by Step Solution

1. Step 1: Write the proportion equation
   40,159.94 : 55,422.69 = 22,255.02 : x
2. Step 2: Convert to fraction form
   40,159.94/55,422.69 = 22,255.02/x
3. Step 3: Cross multiply
   40,159.94x = 55,422.69 × 22,255.02
4. Step 4: Simplify right side
   40,159.94x = 1,233,433,074.40
5. Step 5: Solve for x
   x = 1,233,433,074.40/40,159.94
6. Step 6: Final answer
   x = 30,713.02