Finding the Fourth Proportional to 8,146.96, 12,169.90 and 5,908.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,146.96 : 12,169.90 = 5,908.02 : x
2. Step 2: Convert to fraction form
   8,146.96/12,169.90 = 5,908.02/x
3. Step 3: Cross multiply
   8,146.96x = 12,169.90 × 5,908.02
4. Step 4: Simplify right side
   8,146.96x = 71,900,012.60
5. Step 5: Solve for x
   x = 71,900,012.60/8,146.96
6. Step 6: Final answer
   x = 8,825.38