Finding the Fourth Proportional to 1,792.05, 2,689.59 and 696.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.05 : 2,689.59 = 696.72 : x
2. Step 2: Convert to fraction form
   1,792.05/2,689.59 = 696.72/x
3. Step 3: Cross multiply
   1,792.05x = 2,689.59 × 696.72
4. Step 4: Simplify right side
   1,792.05x = 1,873,891.14
5. Step 5: Solve for x
   x = 1,873,891.14/1,792.05
6. Step 6: Final answer
   x = 1,045.67