Finding the Fourth Proportional to 10,630.80, 14,670.60 and 5,915.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,630.80 : 14,670.60 = 5,915.04 : x
2. Step 2: Convert to fraction form
   10,630.80/14,670.60 = 5,915.04/x
3. Step 3: Cross multiply
   10,630.80x = 14,670.60 × 5,915.04
4. Step 4: Simplify right side
   10,630.80x = 86,777,185.82
5. Step 5: Solve for x
   x = 86,777,185.82/10,630.80
6. Step 6: Final answer
   x = 8,162.81