Finding the Fourth Proportional to 1,792.08, 2,686.23 and 696.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.08 : 2,686.23 = 696.42 : x
2. Step 2: Convert to fraction form
   1,792.08/2,686.23 = 696.42/x
3. Step 3: Cross multiply
   1,792.08x = 2,686.23 × 696.42
4. Step 4: Simplify right side
   1,792.08x = 1,870,744.30
5. Step 5: Solve for x
   x = 1,870,744.30/1,792.08
6. Step 6: Final answer
   x = 1,043.90