Finding the Fourth Proportional to 2,540.46, 3,810.79 and 1,153.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.46 : 3,810.79 = 1,153.76 : x
2. Step 2: Convert to fraction form
   2,540.46/3,810.79 = 1,153.76/x
3. Step 3: Cross multiply
   2,540.46x = 3,810.79 × 1,153.76
4. Step 4: Simplify right side
   2,540.46x = 4,396,737.07
5. Step 5: Solve for x
   x = 4,396,737.07/2,540.46
6. Step 6: Final answer
   x = 1,730.69