Finding the Fourth Proportional to 10,630.96, 14,669 and 5,915.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,630.96 : 14,669 = 5,915.12 : x
2. Step 2: Convert to fraction form
   10,630.96/14,669 = 5,915.12/x
3. Step 3: Cross multiply
   10,630.96x = 14,669 × 5,915.12
4. Step 4: Simplify right side
   10,630.96x = 86,768,895.28
5. Step 5: Solve for x
   x = 86,768,895.28/10,630.96
6. Step 6: Final answer
   x = 8,161.91