Finding the Fourth Proportional to 5,700.10, 7,869.00 and 3,578.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,700.10 : 7,869.00 = 3,578.71 : x
2. Step 2: Convert to fraction form
   5,700.10/7,869.00 = 3,578.71/x
3. Step 3: Cross multiply
   5,700.10x = 7,869.00 × 3,578.71
4. Step 4: Simplify right side
   5,700.10x = 28,160,835.23
5. Step 5: Solve for x
   x = 28,160,835.23/5,700.10
6. Step 6: Final answer
   x = 4,940.41