Finding the Fourth Proportional to 2,085.04, 3,127.52 and 852.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.04 : 3,127.52 = 852.16 : x
2. Step 2: Convert to fraction form
   2,085.04/3,127.52 = 852.16/x
3. Step 3: Cross multiply
   2,085.04x = 3,127.52 × 852.16
4. Step 4: Simplify right side
   2,085.04x = 2,665,147.44
5. Step 5: Solve for x
   x = 2,665,147.44/2,085.04
6. Step 6: Final answer
   x = 1,278.22