Finding the Fourth Proportional to 3,894.35, 5,376.79 and 2,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894.35 : 5,376.79 = 2,404.46 : x
2. Step 2: Convert to fraction form
   3,894.35/5,376.79 = 2,404.46/x
3. Step 3: Cross multiply
   3,894.35x = 5,376.79 × 2,404.46
4. Step 4: Simplify right side
   3,894.35x = 12,928,276.48
5. Step 5: Solve for x
   x = 12,928,276.48/3,894.35
6. Step 6: Final answer
   x = 3,319.75