Finding the Fourth Proportional to 11,028.18, 16,540.86 and 3,630.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,028.18 : 16,540.86 = 3,630.80 : x
2. Step 2: Convert to fraction form
   11,028.18/16,540.86 = 3,630.80/x
3. Step 3: Cross multiply
   11,028.18x = 16,540.86 × 3,630.80
4. Step 4: Simplify right side
   11,028.18x = 60,056,542.51
5. Step 5: Solve for x
   x = 60,056,542.51/11,028.18
6. Step 6: Final answer
   x = 5,445.74