Finding the Fourth Proportional to 6,665.61, 10,003.37 and 2,509.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.61 : 10,003.37 = 2,509.71 : x
2. Step 2: Convert to fraction form
   6,665.61/10,003.37 = 2,509.71/x
3. Step 3: Cross multiply
   6,665.61x = 10,003.37 × 2,509.71
4. Step 4: Simplify right side
   6,665.61x = 25,105,545.17
5. Step 5: Solve for x
   x = 25,105,545.17/6,665.61
6. Step 6: Final answer
   x = 3,766.43