Finding the Fourth Proportional to 8,117.30, 12,168.38 and 3,738.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.30 : 12,168.38 = 3,738.26 : x
2. Step 2: Convert to fraction form
   8,117.30/12,168.38 = 3,738.26/x
3. Step 3: Cross multiply
   8,117.30x = 12,168.38 × 3,738.26
4. Step 4: Simplify right side
   8,117.30x = 45,488,568.22
5. Step 5: Solve for x
   x = 45,488,568.22/8,117.30
6. Step 6: Final answer
   x = 5,603.90