Finding the Fourth Proportional to 11,697.30, 17,546.85 and 3,906.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,697.30 : 17,546.85 = 3,906.12 : x
2. Step 2: Convert to fraction form
   11,697.30/17,546.85 = 3,906.12/x
3. Step 3: Cross multiply
   11,697.30x = 17,546.85 × 3,906.12
4. Step 4: Simplify right side
   11,697.30x = 68,540,101.72
5. Step 5: Solve for x
   x = 68,540,101.72/11,697.30
6. Step 6: Final answer
   x = 5,859.48