Finding the Fourth Proportional to 3,906.96, 5,390.52 and 2,334.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.96 : 5,390.52 = 2,334.48 : x
2. Step 2: Convert to fraction form
   3,906.96/5,390.52 = 2,334.48/x
3. Step 3: Cross multiply
   3,906.96x = 5,390.52 × 2,334.48
4. Step 4: Simplify right side
   3,906.96x = 12,584,061.13
5. Step 5: Solve for x
   x = 12,584,061.13/3,906.96
6. Step 6: Final answer
   x = 3,220.93