Finding the Fourth Proportional to 1,792.88, 2,690.34 and 697.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.88 : 2,690.34 = 697.10 : x
2. Step 2: Convert to fraction form
   1,792.88/2,690.34 = 697.10/x
3. Step 3: Cross multiply
   1,792.88x = 2,690.34 × 697.10
4. Step 4: Simplify right side
   1,792.88x = 1,875,429.48
5. Step 5: Solve for x
   x = 1,875,429.48/1,792.88
6. Step 6: Final answer
   x = 1,046.05