Finding the Fourth Proportional to 2,572.49, 3,550.02 and 1,393.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.49 : 3,550.02 = 1,393.55 : x
2. Step 2: Convert to fraction form
   2,572.49/3,550.02 = 1,393.55/x
3. Step 3: Cross multiply
   2,572.49x = 3,550.02 × 1,393.55
4. Step 4: Simplify right side
   2,572.49x = 4,947,130.37
5. Step 5: Solve for x
   x = 4,947,130.37/2,572.49
6. Step 6: Final answer
   x = 1,923.09