Finding the Fourth Proportional to 2,572.46, 3,549.97 and 1,393.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.46 : 3,549.97 = 1,393.53 : x
2. Step 2: Convert to fraction form
   2,572.46/3,549.97 = 1,393.53/x
3. Step 3: Cross multiply
   2,572.46x = 3,549.97 × 1,393.53
4. Step 4: Simplify right side
   2,572.46x = 4,946,978.12
5. Step 5: Solve for x
   x = 4,946,978.12/2,572.46
6. Step 6: Final answer
   x = 1,923.05