Finding the Fourth Proportional to 10,886.06, 16,329.94 and 3,388.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.06 : 16,329.94 = 3,388.68 : x
2. Step 2: Convert to fraction form
   10,886.06/16,329.94 = 3,388.68/x
3. Step 3: Cross multiply
   10,886.06x = 16,329.94 × 3,388.68
4. Step 4: Simplify right side
   10,886.06x = 55,336,932.61
5. Step 5: Solve for x
   x = 55,336,932.61/10,886.06
6. Step 6: Final answer
   x = 5,083.28