Finding the Fourth Proportional to 3,939.89, 5,884.52 and 3,568.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939.89 : 5,884.52 = 3,568.91 : x
2. Step 2: Convert to fraction form
   3,939.89/5,884.52 = 3,568.91/x
3. Step 3: Cross multiply
   3,939.89x = 5,884.52 × 3,568.91
4. Step 4: Simplify right side
   3,939.89x = 21,001,275.01
5. Step 5: Solve for x
   x = 21,001,275.01/3,939.89
6. Step 6: Final answer
   x = 5,330.43