Finding the Fourth Proportional to 11,108.46, 16,662.72 and 3,317.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,108.46 : 16,662.72 = 3,317.10 : x
2. Step 2: Convert to fraction form
   11,108.46/16,662.72 = 3,317.10/x
3. Step 3: Cross multiply
   11,108.46x = 16,662.72 × 3,317.10
4. Step 4: Simplify right side
   11,108.46x = 55,271,908.51
5. Step 5: Solve for x
   x = 55,271,908.51/11,108.46
6. Step 6: Final answer
   x = 4,975.66