Finding the Fourth Proportional to 3,906.76, 5,390.82 and 2,334.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.76 : 5,390.82 = 2,334.52 : x
2. Step 2: Convert to fraction form
   3,906.76/5,390.82 = 2,334.52/x
3. Step 3: Cross multiply
   3,906.76x = 5,390.82 × 2,334.52
4. Step 4: Simplify right side
   3,906.76x = 12,584,977.11
5. Step 5: Solve for x
   x = 12,584,977.11/3,906.76
6. Step 6: Final answer
   x = 3,221.33