Finding the Fourth Proportional to 1,100.00, 1,517.96 and 602.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.00 : 1,517.96 = 602.61 : x
2. Step 2: Convert to fraction form
   1,100.00/1,517.96 = 602.61/x
3. Step 3: Cross multiply
   1,100.00x = 1,517.96 × 602.61
4. Step 4: Simplify right side
   1,100.00x = 914,734.86
5. Step 5: Solve for x
   x = 914,734.86/1,100.00
6. Step 6: Final answer
   x = 831.58