Finding the Fourth Proportional to 2,573.06, 3,550.80 and 1,394.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.06 : 3,550.80 = 1,394.12 : x
2. Step 2: Convert to fraction form
   2,573.06/3,550.80 = 1,394.12/x
3. Step 3: Cross multiply
   2,573.06x = 3,550.80 × 1,394.12
4. Step 4: Simplify right side
   2,573.06x = 4,950,223.54
5. Step 5: Solve for x
   x = 4,950,223.54/2,573.06
6. Step 6: Final answer
   x = 1,923.87