Finding the Fourth Proportional to 1,792.68, 2,685.72 and 969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.68 : 2,685.72 = 969.72 : x
2. Step 2: Convert to fraction form
   1,792.68/2,685.72 = 969.72/x
3. Step 3: Cross multiply
   1,792.68x = 2,685.72 × 969.72
4. Step 4: Simplify right side
   1,792.68x = 2,604,396.40
5. Step 5: Solve for x
   x = 2,604,396.40/1,792.68
6. Step 6: Final answer
   x = 1,452.79