Finding the Fourth Proportional to 3,878.72, 5,352.56 and 2,110.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.72 : 5,352.56 = 2,110.34 : x
2. Step 2: Convert to fraction form
   3,878.72/5,352.56 = 2,110.34/x
3. Step 3: Cross multiply
   3,878.72x = 5,352.56 × 2,110.34
4. Step 4: Simplify right side
   3,878.72x = 11,295,721.47
5. Step 5: Solve for x
   x = 11,295,721.47/3,878.72
6. Step 6: Final answer
   x = 2,912.23