Finding the Fourth Proportional to 1,349.57, 1,862.55 and 852.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.57 : 1,862.55 = 852.18 : x
2. Step 2: Convert to fraction form
   1,349.57/1,862.55 = 852.18/x
3. Step 3: Cross multiply
   1,349.57x = 1,862.55 × 852.18
4. Step 4: Simplify right side
   1,349.57x = 1,587,227.86
5. Step 5: Solve for x
   x = 1,587,227.86/1,349.57
6. Step 6: Final answer
   x = 1,176.10