Finding the Fourth Proportional to 3,919.62, 5,374.01 and 3,849.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.62 : 5,374.01 = 3,849.46 : x
2. Step 2: Convert to fraction form
   3,919.62/5,374.01 = 3,849.46/x
3. Step 3: Cross multiply
   3,919.62x = 5,374.01 × 3,849.46
4. Step 4: Simplify right side
   3,919.62x = 20,687,032.72
5. Step 5: Solve for x
   x = 20,687,032.72/3,919.62
6. Step 6: Final answer
   x = 5,277.81