Finding the Fourth Proportional to 11,528.27, 17,278.72 and 4,940.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,528.27 : 17,278.72 = 4,940.54 : x
2. Step 2: Convert to fraction form
   11,528.27/17,278.72 = 4,940.54/x
3. Step 3: Cross multiply
   11,528.27x = 17,278.72 × 4,940.54
4. Step 4: Simplify right side
   11,528.27x = 85,366,108.56
5. Step 5: Solve for x
   x = 85,366,108.56/11,528.27
6. Step 6: Final answer
   x = 7,404.94