Finding the Fourth Proportional to 7,159.48, 10,734.78 and 2,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,159.48 : 10,734.78 = 2,227.72 : x
2. Step 2: Convert to fraction form
   7,159.48/10,734.78 = 2,227.72/x
3. Step 3: Cross multiply
   7,159.48x = 10,734.78 × 2,227.72
4. Step 4: Simplify right side
   7,159.48x = 23,914,084.10
5. Step 5: Solve for x
   x = 23,914,084.10/7,159.48
6. Step 6: Final answer
   x = 3,340.20