Finding the Fourth Proportional to 11,155.51, 16,734.02 and 3,258.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.51 : 16,734.02 = 3,258.08 : x
2. Step 2: Convert to fraction form
   11,155.51/16,734.02 = 3,258.08/x
3. Step 3: Cross multiply
   11,155.51x = 16,734.02 × 3,258.08
4. Step 4: Simplify right side
   11,155.51x = 54,520,825.86
5. Step 5: Solve for x
   x = 54,520,825.86/11,155.51
6. Step 6: Final answer
   x = 4,887.35