Finding the Fourth Proportional to 1,323.16, 1,825.18 and 1,100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.16 : 1,825.18 = 1,100.18 : x
2. Step 2: Convert to fraction form
   1,323.16/1,825.18 = 1,100.18/x
3. Step 3: Cross multiply
   1,323.16x = 1,825.18 × 1,100.18
4. Step 4: Simplify right side
   1,323.16x = 2,008,028.34
5. Step 5: Solve for x
   x = 2,008,028.34/1,323.16
6. Step 6: Final answer
   x = 1,517.60