Finding the Fourth Proportional to 11,079.78, 16,622.49 and 3,684.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.78 : 16,622.49 = 3,684.30 : x
2. Step 2: Convert to fraction form
   11,079.78/16,622.49 = 3,684.30/x
3. Step 3: Cross multiply
   11,079.78x = 16,622.49 × 3,684.30
4. Step 4: Simplify right side
   11,079.78x = 61,242,239.91
5. Step 5: Solve for x
   x = 61,242,239.91/11,079.78
6. Step 6: Final answer
   x = 5,527.39