Finding the Fourth Proportional to 2,572.47, 3,550.01 and 1,393.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.47 : 3,550.01 = 1,393.54 : x
2. Step 2: Convert to fraction form
   2,572.47/3,550.01 = 1,393.54/x
3. Step 3: Cross multiply
   2,572.47x = 3,550.01 × 1,393.54
4. Step 4: Simplify right side
   2,572.47x = 4,947,080.94
5. Step 5: Solve for x
   x = 4,947,080.94/2,572.47
6. Step 6: Final answer
   x = 1,923.09