Finding the Fourth Proportional to 10,749.38, 16,118.25 and 3,728.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.38 : 16,118.25 = 3,728.88 : x
2. Step 2: Convert to fraction form
   10,749.38/16,118.25 = 3,728.88/x
3. Step 3: Cross multiply
   10,749.38x = 16,118.25 × 3,728.88
4. Step 4: Simplify right side
   10,749.38x = 60,103,020.06
5. Step 5: Solve for x
   x = 60,103,020.06/10,749.38
6. Step 6: Final answer
   x = 5,591.30