Finding the Fourth Proportional to 3,921.34, 5,411.47 and 2,242.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.34 : 5,411.47 = 2,242.82 : x
2. Step 2: Convert to fraction form
   3,921.34/5,411.47 = 2,242.82/x
3. Step 3: Cross multiply
   3,921.34x = 5,411.47 × 2,242.82
4. Step 4: Simplify right side
   3,921.34x = 12,136,949.18
5. Step 5: Solve for x
   x = 12,136,949.18/3,921.34
6. Step 6: Final answer
   x = 3,095.10