Finding the Fourth Proportional to 11,155.96, 16,736.58 and 3,258.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.96 : 16,736.58 = 3,258.74 : x
2. Step 2: Convert to fraction form
   11,155.96/16,736.58 = 3,258.74/x
3. Step 3: Cross multiply
   11,155.96x = 16,736.58 × 3,258.74
4. Step 4: Simplify right side
   11,155.96x = 54,540,162.71
5. Step 5: Solve for x
   x = 54,540,162.71/11,155.96
6. Step 6: Final answer
   x = 4,888.88