Finding the Fourth Proportional to 1,155.02, 1,593.93 and 712.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.02 : 1,593.93 = 712.82 : x
2. Step 2: Convert to fraction form
   1,155.02/1,593.93 = 712.82/x
3. Step 3: Cross multiply
   1,155.02x = 1,593.93 × 712.82
4. Step 4: Simplify right side
   1,155.02x = 1,136,185.18
5. Step 5: Solve for x
   x = 1,136,185.18/1,155.02
6. Step 6: Final answer
   x = 983.69