Finding the Fourth Proportional to 1,550.91, 2,140.25 and 852.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.91 : 2,140.25 = 852.28 : x
2. Step 2: Convert to fraction form
   1,550.91/2,140.25 = 852.28/x
3. Step 3: Cross multiply
   1,550.91x = 2,140.25 × 852.28
4. Step 4: Simplify right side
   1,550.91x = 1,824,092.27
5. Step 5: Solve for x
   x = 1,824,092.27/1,550.91
6. Step 6: Final answer
   x = 1,176.14