Finding the Fourth Proportional to 8,767.89, 12,099.99 and 5,410.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.89 : 12,099.99 = 5,410.62 : x
2. Step 2: Convert to fraction form
   8,767.89/12,099.99 = 5,410.62/x
3. Step 3: Cross multiply
   8,767.89x = 12,099.99 × 5,410.62
4. Step 4: Simplify right side
   8,767.89x = 65,468,447.89
5. Step 5: Solve for x
   x = 65,468,447.89/8,767.89
6. Step 6: Final answer
   x = 7,466.84