Finding the Fourth Proportional to 10,747.20, 16,114.32 and 4,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.20 : 16,114.32 = 4,908.72 : x
2. Step 2: Convert to fraction form
   10,747.20/16,114.32 = 4,908.72/x
3. Step 3: Cross multiply
   10,747.20x = 16,114.32 × 4,908.72
4. Step 4: Simplify right side
   10,747.20x = 79,100,684.87
5. Step 5: Solve for x
   x = 79,100,684.87/10,747.20
6. Step 6: Final answer
   x = 7,360.12