Finding the Fourth Proportional to 2,571.89, 3,549.24 and 1,393.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.89 : 3,549.24 = 1,393.00 : x
2. Step 2: Convert to fraction form
   2,571.89/3,549.24 = 1,393.00/x
3. Step 3: Cross multiply
   2,571.89x = 3,549.24 × 1,393.00
4. Step 4: Simplify right side
   2,571.89x = 4,944,082.45
5. Step 5: Solve for x
   x = 4,944,082.45/2,571.89
6. Step 6: Final answer
   x = 1,922.36