Finding the Fourth Proportional to 3,884.83, 5,361.01 and 2,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884.83 : 5,361.01 = 2,116.42 : x
2. Step 2: Convert to fraction form
   3,884.83/5,361.01 = 2,116.42/x
3. Step 3: Cross multiply
   3,884.83x = 5,361.01 × 2,116.42
4. Step 4: Simplify right side
   3,884.83x = 11,346,148.78
5. Step 5: Solve for x
   x = 11,346,148.78/3,884.83
6. Step 6: Final answer
   x = 2,920.63