Finding the Fourth Proportional to 8,168.15, 12,248.47 and 3,485.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,168.15 : 12,248.47 = 3,485.92 : x
2. Step 2: Convert to fraction form
   8,168.15/12,248.47 = 3,485.92/x
3. Step 3: Cross multiply
   8,168.15x = 12,248.47 × 3,485.92
4. Step 4: Simplify right side
   8,168.15x = 42,697,186.54
5. Step 5: Solve for x
   x = 42,697,186.54/8,168.15
6. Step 6: Final answer
   x = 5,227.28