Finding the Fourth Proportional to 22,151.14, 33,227.31 and 7,158.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,151.14 : 33,227.31 = 7,158.90 : x
2. Step 2: Convert to fraction form
   22,151.14/33,227.31 = 7,158.90/x
3. Step 3: Cross multiply
   22,151.14x = 33,227.31 × 7,158.90
4. Step 4: Simplify right side
   22,151.14x = 237,870,989.56
5. Step 5: Solve for x
   x = 237,870,989.56/22,151.14
6. Step 6: Final answer
   x = 10,738.54