Finding the Fourth Proportional to 11,077.72, 16,604.91 and 3,680.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,077.72 : 16,604.91 = 3,680.19 : x
2. Step 2: Convert to fraction form
   11,077.72/16,604.91 = 3,680.19/x
3. Step 3: Cross multiply
   11,077.72x = 16,604.91 × 3,680.19
4. Step 4: Simplify right side
   11,077.72x = 61,109,223.73
5. Step 5: Solve for x
   x = 61,109,223.73/11,077.72
6. Step 6: Final answer
   x = 5,516.41