Finding the Fourth Proportional to 10,904.10, 16,351.29 and 3,111.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.10 : 16,351.29 = 3,111.09 : x
2. Step 2: Convert to fraction form
   10,904.10/16,351.29 = 3,111.09/x
3. Step 3: Cross multiply
   10,904.10x = 16,351.29 × 3,111.09
4. Step 4: Simplify right side
   10,904.10x = 50,870,334.81
5. Step 5: Solve for x
   x = 50,870,334.81/10,904.10
6. Step 6: Final answer
   x = 4,665.25