Finding the Fourth Proportional to 1,158.88, 1,598.92 and 693.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.88 : 1,598.92 = 693.04 : x
2. Step 2: Convert to fraction form
   1,158.88/1,598.92 = 693.04/x
3. Step 3: Cross multiply
   1,158.88x = 1,598.92 × 693.04
4. Step 4: Simplify right side
   1,158.88x = 1,108,115.52
5. Step 5: Solve for x
   x = 1,108,115.52/1,158.88
6. Step 6: Final answer
   x = 956.20