Finding the Fourth Proportional to 2,572.27, 3,549.72 and 1,393.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.27 : 3,549.72 = 1,393.35 : x
2. Step 2: Convert to fraction form
   2,572.27/3,549.72 = 1,393.35/x
3. Step 3: Cross multiply
   2,572.27x = 3,549.72 × 1,393.35
4. Step 4: Simplify right side
   2,572.27x = 4,946,002.36
5. Step 5: Solve for x
   x = 4,946,002.36/2,572.27
6. Step 6: Final answer
   x = 1,922.82