Finding the Fourth Proportional to 8,148.15, 12,219.69 and 3,468.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,148.15 : 12,219.69 = 3,468.12 : x
2. Step 2: Convert to fraction form
   8,148.15/12,219.69 = 3,468.12/x
3. Step 3: Cross multiply
   8,148.15x = 12,219.69 × 3,468.12
4. Step 4: Simplify right side
   8,148.15x = 42,379,351.28
5. Step 5: Solve for x
   x = 42,379,351.28/8,148.15
6. Step 6: Final answer
   x = 5,201.10