Finding the Fourth Proportional to 8,510.11, 12,757.38 and 3,580.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,510.11 : 12,757.38 = 3,580.10 : x
2. Step 2: Convert to fraction form
   8,510.11/12,757.38 = 3,580.10/x
3. Step 3: Cross multiply
   8,510.11x = 12,757.38 × 3,580.10
4. Step 4: Simplify right side
   8,510.11x = 45,672,632.35
5. Step 5: Solve for x
   x = 45,672,632.35/8,510.11
6. Step 6: Final answer
   x = 5,366.87