Finding the Fourth Proportional to 2,560.86, 3,840.15 and 1,175.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.86 : 3,840.15 = 1,175.04 : x
2. Step 2: Convert to fraction form
   2,560.86/3,840.15 = 1,175.04/x
3. Step 3: Cross multiply
   2,560.86x = 3,840.15 × 1,175.04
4. Step 4: Simplify right side
   2,560.86x = 4,512,329.86
5. Step 5: Solve for x
   x = 4,512,329.86/2,560.86
6. Step 6: Final answer
   x = 1,762.04