Finding the Fourth Proportional to 1,550.04, 2,139.04 and 851.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.04 : 2,139.04 = 851.41 : x
2. Step 2: Convert to fraction form
   1,550.04/2,139.04 = 851.41/x
3. Step 3: Cross multiply
   1,550.04x = 2,139.04 × 851.41
4. Step 4: Simplify right side
   1,550.04x = 1,821,200.05
5. Step 5: Solve for x
   x = 1,821,200.05/1,550.04
6. Step 6: Final answer
   x = 1,174.94