Finding the Fourth Proportional to 8,108.24, 12,160.20 and 3,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,108.24 : 12,160.20 = 3,490.16 : x
2. Step 2: Convert to fraction form
   8,108.24/12,160.20 = 3,490.16/x
3. Step 3: Cross multiply
   8,108.24x = 12,160.20 × 3,490.16
4. Step 4: Simplify right side
   8,108.24x = 42,441,043.63
5. Step 5: Solve for x
   x = 42,441,043.63/8,108.24
6. Step 6: Final answer
   x = 5,234.31