Finding the Fourth Proportional to 5,719.59, 8,510.87 and 5,700.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.59 : 8,510.87 = 5,700.15 : x
2. Step 2: Convert to fraction form
   5,719.59/8,510.87 = 5,700.15/x
3. Step 3: Cross multiply
   5,719.59x = 8,510.87 × 5,700.15
4. Step 4: Simplify right side
   5,719.59x = 48,513,249.88
5. Step 5: Solve for x
   x = 48,513,249.88/5,719.59
6. Step 6: Final answer
   x = 8,481.95