Finding the Fourth Proportional to 8,124.48, 12,185.76 and 3,445.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124.48 : 12,185.76 = 3,445.17 : x
2. Step 2: Convert to fraction form
   8,124.48/12,185.76 = 3,445.17/x
3. Step 3: Cross multiply
   8,124.48x = 12,185.76 × 3,445.17
4. Step 4: Simplify right side
   8,124.48x = 41,982,014.78
5. Step 5: Solve for x
   x = 41,982,014.78/8,124.48
6. Step 6: Final answer
   x = 5,167.35