Finding the Fourth Proportional to 2,540.16, 3,810.37 and 1,153.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.16 : 3,810.37 = 1,153.60 : x
2. Step 2: Convert to fraction form
   2,540.16/3,810.37 = 1,153.60/x
3. Step 3: Cross multiply
   2,540.16x = 3,810.37 × 1,153.60
4. Step 4: Simplify right side
   2,540.16x = 4,395,642.83
5. Step 5: Solve for x
   x = 4,395,642.83/2,540.16
6. Step 6: Final answer
   x = 1,730.46