Finding the Fourth Proportional to 3,826.18, 5,279.79 and 2,334.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.18 : 5,279.79 = 2,334.55 : x
2. Step 2: Convert to fraction form
   3,826.18/5,279.79 = 2,334.55/x
3. Step 3: Cross multiply
   3,826.18x = 5,279.79 × 2,334.55
4. Step 4: Simplify right side
   3,826.18x = 12,325,933.74
5. Step 5: Solve for x
   x = 12,325,933.74/3,826.18
6. Step 6: Final answer
   x = 3,221.47