Finding the Fourth Proportional to 1,099.37, 1,517.17 and 602.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.37 : 1,517.17 = 602.04 : x
2. Step 2: Convert to fraction form
   1,099.37/1,517.17 = 602.04/x
3. Step 3: Cross multiply
   1,099.37x = 1,517.17 × 602.04
4. Step 4: Simplify right side
   1,099.37x = 913,401.95
5. Step 5: Solve for x
   x = 913,401.95/1,099.37
6. Step 6: Final answer
   x = 830.84