Finding the Fourth Proportional to 1,085.60, 1,626.24 and 700.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.60 : 1,626.24 = 700.04 : x
2. Step 2: Convert to fraction form
   1,085.60/1,626.24 = 700.04/x
3. Step 3: Cross multiply
   1,085.60x = 1,626.24 × 700.04
4. Step 4: Simplify right side
   1,085.60x = 1,138,433.05
5. Step 5: Solve for x
   x = 1,138,433.05/1,085.60
6. Step 6: Final answer
   x = 1,048.67