Finding the Fourth Proportional to 3,591.39, 5,390.72 and 2,552.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.39 : 5,390.72 = 2,552.57 : x
2. Step 2: Convert to fraction form
   3,591.39/5,390.72 = 2,552.57/x
3. Step 3: Cross multiply
   3,591.39x = 5,390.72 × 2,552.57
4. Step 4: Simplify right side
   3,591.39x = 13,760,150.43
5. Step 5: Solve for x
   x = 13,760,150.43/3,591.39
6. Step 6: Final answer
   x = 3,831.43