Finding the Fourth Proportional to 1,792.02, 2,688.30 and 868.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.02 : 2,688.30 = 868.62 : x
2. Step 2: Convert to fraction form
   1,792.02/2,688.30 = 868.62/x
3. Step 3: Cross multiply
   1,792.02x = 2,688.30 × 868.62
4. Step 4: Simplify right side
   1,792.02x = 2,335,111.15
5. Step 5: Solve for x
   x = 2,335,111.15/1,792.02
6. Step 6: Final answer
   x = 1,303.06