Finding the Fourth Proportional to 1,158.02, 1,598.25 and 660.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.02 : 1,598.25 = 660.82 : x
2. Step 2: Convert to fraction form
   1,158.02/1,598.25 = 660.82/x
3. Step 3: Cross multiply
   1,158.02x = 1,598.25 × 660.82
4. Step 4: Simplify right side
   1,158.02x = 1,056,144.27
5. Step 5: Solve for x
   x = 1,056,144.27/1,158.02
6. Step 6: Final answer
   x = 912.03