Finding the Fourth Proportional to 3,280.77, 4,922.71 and 2,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280.77 : 4,922.71 = 2,404.15 : x
2. Step 2: Convert to fraction form
   3,280.77/4,922.71 = 2,404.15/x
3. Step 3: Cross multiply
   3,280.77x = 4,922.71 × 2,404.15
4. Step 4: Simplify right side
   3,280.77x = 11,834,914.93
5. Step 5: Solve for x
   x = 11,834,914.93/3,280.77
6. Step 6: Final answer
   x = 3,607.36