Finding the Fourth Proportional to 2,572.73, 3,550.37 and 1,393.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.73 : 3,550.37 = 1,393.81 : x
2. Step 2: Convert to fraction form
   2,572.73/3,550.37 = 1,393.81/x
3. Step 3: Cross multiply
   2,572.73x = 3,550.37 × 1,393.81
4. Step 4: Simplify right side
   2,572.73x = 4,948,535.82
5. Step 5: Solve for x
   x = 4,948,535.82/2,572.73
6. Step 6: Final answer
   x = 1,923.46