Finding the Fourth Proportional to 2,572.62, 3,550.23 and 1,393.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.62 : 3,550.23 = 1,393.71 : x
2. Step 2: Convert to fraction form
   2,572.62/3,550.23 = 1,393.71/x
3. Step 3: Cross multiply
   2,572.62x = 3,550.23 × 1,393.71
4. Step 4: Simplify right side
   2,572.62x = 4,947,991.05
5. Step 5: Solve for x
   x = 4,947,991.05/2,572.62
6. Step 6: Final answer
   x = 1,923.33