Finding the Fourth Proportional to 10,751.76, 16,121.52 and 3,728.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,751.76 : 16,121.52 = 3,728.16 : x
2. Step 2: Convert to fraction form
   10,751.76/16,121.52 = 3,728.16/x
3. Step 3: Cross multiply
   10,751.76x = 16,121.52 × 3,728.16
4. Step 4: Simplify right side
   10,751.76x = 60,103,606.00
5. Step 5: Solve for x
   x = 60,103,606.00/10,751.76
6. Step 6: Final answer
   x = 5,590.12