Finding the Fourth Proportional to 11,105.12, 16,659.30 and 3,314

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.12 : 16,659.30 = 3,314 : x
2. Step 2: Convert to fraction form
   11,105.12/16,659.30 = 3,314/x
3. Step 3: Cross multiply
   11,105.12x = 16,659.30 × 3,314
4. Step 4: Simplify right side
   11,105.12x = 55,208,920.20
5. Step 5: Solve for x
   x = 55,208,920.20/11,105.12
6. Step 6: Final answer
   x = 4,971.48