Finding the Fourth Proportional to 2,074.48, 2,862.78 and 1,130.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.48 : 2,862.78 = 1,130.29 : x
2. Step 2: Convert to fraction form
   2,074.48/2,862.78 = 1,130.29/x
3. Step 3: Cross multiply
   2,074.48x = 2,862.78 × 1,130.29
4. Step 4: Simplify right side
   2,074.48x = 3,235,760.21
5. Step 5: Solve for x
   x = 3,235,760.21/2,074.48
6. Step 6: Final answer
   x = 1,559.80