Finding the Fourth Proportional to 11,034.72, 16,553.16 and 4,107.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,034.72 : 16,553.16 = 4,107.60 : x
2. Step 2: Convert to fraction form
   11,034.72/16,553.16 = 4,107.60/x
3. Step 3: Cross multiply
   11,034.72x = 16,553.16 × 4,107.60
4. Step 4: Simplify right side
   11,034.72x = 67,993,760.02
5. Step 5: Solve for x
   x = 67,993,760.02/11,034.72
6. Step 6: Final answer
   x = 6,161.80