Finding the Fourth Proportional to 3,816.24, 5,707.08 and 3,768.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816.24 : 5,707.08 = 3,768.72 : x
2. Step 2: Convert to fraction form
   3,816.24/5,707.08 = 3,768.72/x
3. Step 3: Cross multiply
   3,816.24x = 5,707.08 × 3,768.72
4. Step 4: Simplify right side
   3,816.24x = 21,508,386.54
5. Step 5: Solve for x
   x = 21,508,386.54/3,816.24
6. Step 6: Final answer
   x = 5,636.02