Finding the Fourth Proportional to 1,792.34, 2,687.25 and 695.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.34 : 2,687.25 = 695.78 : x
2. Step 2: Convert to fraction form
   1,792.34/2,687.25 = 695.78/x
3. Step 3: Cross multiply
   1,792.34x = 2,687.25 × 695.78
4. Step 4: Simplify right side
   1,792.34x = 1,869,734.81
5. Step 5: Solve for x
   x = 1,869,734.81/1,792.34
6. Step 6: Final answer
   x = 1,043.18