Finding the Fourth Proportional to 2,074.94, 2,863.46 and 1,130.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.94 : 2,863.46 = 1,130.78 : x
2. Step 2: Convert to fraction form
   2,074.94/2,863.46 = 1,130.78/x
3. Step 3: Cross multiply
   2,074.94x = 2,863.46 × 1,130.78
4. Step 4: Simplify right side
   2,074.94x = 3,237,953.28
5. Step 5: Solve for x
   x = 3,237,953.28/2,074.94
6. Step 6: Final answer
   x = 1,560.51