Finding the Fourth Proportional to 10,626.78, 14,665.32 and 5,910.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,626.78 : 14,665.32 = 5,910.78 : x
2. Step 2: Convert to fraction form
   10,626.78/14,665.32 = 5,910.78/x
3. Step 3: Cross multiply
   10,626.78x = 14,665.32 × 5,910.78
4. Step 4: Simplify right side
   10,626.78x = 86,683,480.15
5. Step 5: Solve for x
   x = 86,683,480.15/10,626.78
6. Step 6: Final answer
   x = 8,157.08