Finding the Fourth Proportional to 3,882.20, 5,817.54 and 3,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.20 : 5,817.54 = 3,749.72 : x
2. Step 2: Convert to fraction form
   3,882.20/5,817.54 = 3,749.72/x
3. Step 3: Cross multiply
   3,882.20x = 5,817.54 × 3,749.72
4. Step 4: Simplify right side
   3,882.20x = 21,814,146.09
5. Step 5: Solve for x
   x = 21,814,146.09/3,882.20
6. Step 6: Final answer
   x = 5,619.02