Finding the Fourth Proportional to 2,613.02, 3,920.81 and 1,150.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.02 : 3,920.81 = 1,150.43 : x
2. Step 2: Convert to fraction form
   2,613.02/3,920.81 = 1,150.43/x
3. Step 3: Cross multiply
   2,613.02x = 3,920.81 × 1,150.43
4. Step 4: Simplify right side
   2,613.02x = 4,510,592.09
5. Step 5: Solve for x
   x = 4,510,592.09/2,613.02
6. Step 6: Final answer
   x = 1,726.20