Finding the Fourth Proportional to 1,550.53, 2,139.87 and 852.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.53 : 2,139.87 = 852.04 : x
2. Step 2: Convert to fraction form
   1,550.53/2,139.87 = 852.04/x
3. Step 3: Cross multiply
   1,550.53x = 2,139.87 × 852.04
4. Step 4: Simplify right side
   1,550.53x = 1,823,255.91
5. Step 5: Solve for x
   x = 1,823,255.91/1,550.53
6. Step 6: Final answer
   x = 1,175.89