Finding the Fourth Proportional to 1,550.71, 2,139.96 and 852.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.71 : 2,139.96 = 852.04 : x
2. Step 2: Convert to fraction form
   1,550.71/2,139.96 = 852.04/x
3. Step 3: Cross multiply
   1,550.71x = 2,139.96 × 852.04
4. Step 4: Simplify right side
   1,550.71x = 1,823,331.52
5. Step 5: Solve for x
   x = 1,823,331.52/1,550.71
6. Step 6: Final answer
   x = 1,175.80