Finding the Fourth Proportional to 3,839.71, 5,719.94 and 3,723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.71 : 5,719.94 = 3,723.56 : x
2. Step 2: Convert to fraction form
   3,839.71/5,719.94 = 3,723.56/x
3. Step 3: Cross multiply
   3,839.71x = 5,719.94 × 3,723.56
4. Step 4: Simplify right side
   3,839.71x = 21,298,539.79
5. Step 5: Solve for x
   x = 21,298,539.79/3,839.71
6. Step 6: Final answer
   x = 5,546.91