Finding the Fourth Proportional to 3,949.49, 5,927.83 and 2,102.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.49 : 5,927.83 = 2,102.16 : x
2. Step 2: Convert to fraction form
   3,949.49/5,927.83 = 2,102.16/x
3. Step 3: Cross multiply
   3,949.49x = 5,927.83 × 2,102.16
4. Step 4: Simplify right side
   3,949.49x = 12,461,264.09
5. Step 5: Solve for x
   x = 12,461,264.09/3,949.49
6. Step 6: Final answer
   x = 3,155.16