Finding the Fourth Proportional to 8,688.72, 13,034.18 and 2,363.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,688.72 : 13,034.18 = 2,363.73 : x
2. Step 2: Convert to fraction form
   8,688.72/13,034.18 = 2,363.73/x
3. Step 3: Cross multiply
   8,688.72x = 13,034.18 × 2,363.73
4. Step 4: Simplify right side
   8,688.72x = 30,809,288.20
5. Step 5: Solve for x
   x = 30,809,288.20/8,688.72
6. Step 6: Final answer
   x = 3,545.89