Finding the Fourth Proportional to 1,411.94, 1,948.78 and 852.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.94 : 1,948.78 = 852.50 : x
2. Step 2: Convert to fraction form
   1,411.94/1,948.78 = 852.50/x
3. Step 3: Cross multiply
   1,411.94x = 1,948.78 × 852.50
4. Step 4: Simplify right side
   1,411.94x = 1,661,334.95
5. Step 5: Solve for x
   x = 1,661,334.95/1,411.94
6. Step 6: Final answer
   x = 1,176.63