Finding the Fourth Proportional to 5,798.79, 8,005.10 and 3,561.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,798.79 : 8,005.10 = 3,561.71 : x
2. Step 2: Convert to fraction form
   5,798.79/8,005.10 = 3,561.71/x
3. Step 3: Cross multiply
   5,798.79x = 8,005.10 × 3,561.71
4. Step 4: Simplify right side
   5,798.79x = 28,511,786.89
5. Step 5: Solve for x
   x = 28,511,786.89/5,798.79
6. Step 6: Final answer
   x = 4,916.85