Finding the Fourth Proportional to 2,611.74, 3,917.92 and 1,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.74 : 3,917.92 = 1,150.72 : x
2. Step 2: Convert to fraction form
   2,611.74/3,917.92 = 1,150.72/x
3. Step 3: Cross multiply
   2,611.74x = 3,917.92 × 1,150.72
4. Step 4: Simplify right side
   2,611.74x = 4,508,428.90
5. Step 5: Solve for x
   x = 4,508,428.90/2,611.74
6. Step 6: Final answer
   x = 1,726.22