Finding the Fourth Proportional to 8,048.78, 12,073.15 and 3,118.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,048.78 : 12,073.15 = 3,118.41 : x
2. Step 2: Convert to fraction form
   8,048.78/12,073.15 = 3,118.41/x
3. Step 3: Cross multiply
   8,048.78x = 12,073.15 × 3,118.41
4. Step 4: Simplify right side
   8,048.78x = 37,649,031.69
5. Step 5: Solve for x
   x = 37,649,031.69/8,048.78
6. Step 6: Final answer
   x = 4,677.61