Finding the Fourth Proportional to 1,155.30, 1,594.17 and 713.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.30 : 1,594.17 = 713.04 : x
2. Step 2: Convert to fraction form
   1,155.30/1,594.17 = 713.04/x
3. Step 3: Cross multiply
   1,155.30x = 1,594.17 × 713.04
4. Step 4: Simplify right side
   1,155.30x = 1,136,706.98
5. Step 5: Solve for x
   x = 1,136,706.98/1,155.30
6. Step 6: Final answer
   x = 983.91