Finding the Fourth Proportional to 1,144.82, 1,719.26 and 852.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.82 : 1,719.26 = 852.41 : x
2. Step 2: Convert to fraction form
   1,144.82/1,719.26 = 852.41/x
3. Step 3: Cross multiply
   1,144.82x = 1,719.26 × 852.41
4. Step 4: Simplify right side
   1,144.82x = 1,465,501.56
5. Step 5: Solve for x
   x = 1,465,501.56/1,144.82
6. Step 6: Final answer
   x = 1,280.12