Finding the Fourth Proportional to 3,074.78, 4,607.85 and 2,305.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,074.78 : 4,607.85 = 2,305.82 : x
2. Step 2: Convert to fraction form
   3,074.78/4,607.85 = 2,305.82/x
3. Step 3: Cross multiply
   3,074.78x = 4,607.85 × 2,305.82
4. Step 4: Simplify right side
   3,074.78x = 10,624,872.69
5. Step 5: Solve for x
   x = 10,624,872.69/3,074.78
6. Step 6: Final answer
   x = 3,455.49