Finding the Fourth Proportional to 3,944.79, 5,891.61 and 3,573.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.79 : 5,891.61 = 3,573.86 : x
2. Step 2: Convert to fraction form
   3,944.79/5,891.61 = 3,573.86/x
3. Step 3: Cross multiply
   3,944.79x = 5,891.61 × 3,573.86
4. Step 4: Simplify right side
   3,944.79x = 21,055,759.86
5. Step 5: Solve for x
   x = 21,055,759.86/3,944.79
6. Step 6: Final answer
   x = 5,337.61