Finding the Fourth Proportional to 41,419.89, 57,160.05 and 22,557

Step by Step Solution

1. Step 1: Write the proportion equation
   41,419.89 : 57,160.05 = 22,557 : x
2. Step 2: Convert to fraction form
   41,419.89/57,160.05 = 22,557/x
3. Step 3: Cross multiply
   41,419.89x = 57,160.05 × 22,557
4. Step 4: Simplify right side
   41,419.89x = 1,289,359,247.85
5. Step 5: Solve for x
   x = 1,289,359,247.85/41,419.89
6. Step 6: Final answer
   x = 31,128.99