Finding the Fourth Proportional to 2,572.66, 3,550.27 and 1,393.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.66 : 3,550.27 = 1,393.74 : x
2. Step 2: Convert to fraction form
   2,572.66/3,550.27 = 1,393.74/x
3. Step 3: Cross multiply
   2,572.66x = 3,550.27 × 1,393.74
4. Step 4: Simplify right side
   2,572.66x = 4,948,128.59
5. Step 5: Solve for x
   x = 4,948,128.59/2,572.66
6. Step 6: Final answer
   x = 1,923.35