Finding the Fourth Proportional to 2,572.26, 3,549.71 and 1,393.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.26 : 3,549.71 = 1,393.35 : x
2. Step 2: Convert to fraction form
   2,572.26/3,549.71 = 1,393.35/x
3. Step 3: Cross multiply
   2,572.26x = 3,549.71 × 1,393.35
4. Step 4: Simplify right side
   2,572.26x = 4,945,991.91
5. Step 5: Solve for x
   x = 4,945,991.91/2,572.26
6. Step 6: Final answer
   x = 1,922.82