Finding the Fourth Proportional to 3,921.50, 5,411.33 and 2,242.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.50 : 5,411.33 = 2,242.63 : x
2. Step 2: Convert to fraction form
   3,921.50/5,411.33 = 2,242.63/x
3. Step 3: Cross multiply
   3,921.50x = 5,411.33 × 2,242.63
4. Step 4: Simplify right side
   3,921.50x = 12,135,599.78
5. Step 5: Solve for x
   x = 12,135,599.78/3,921.50
6. Step 6: Final answer
   x = 3,094.64