Finding the Fourth Proportional to 3,769.20, 5,622.48 and 3,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769.20 : 5,622.48 = 3,708.72 : x
2. Step 2: Convert to fraction form
   3,769.20/5,622.48 = 3,708.72/x
3. Step 3: Cross multiply
   3,769.20x = 5,622.48 × 3,708.72
4. Step 4: Simplify right side
   3,769.20x = 20,852,204.03
5. Step 5: Solve for x
   x = 20,852,204.03/3,769.20
6. Step 6: Final answer
   x = 5,532.26