Finding the Fourth Proportional to 40,695.56, 56,159.34 and 22,790.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,695.56 : 56,159.34 = 22,790.42 : x
2. Step 2: Convert to fraction form
   40,695.56/56,159.34 = 22,790.42/x
3. Step 3: Cross multiply
   40,695.56x = 56,159.34 × 22,790.42
4. Step 4: Simplify right side
   40,695.56x = 1,279,894,945.52
5. Step 5: Solve for x
   x = 1,279,894,945.52/40,695.56
6. Step 6: Final answer
   x = 31,450.48