Finding the Fourth Proportional to 3,896.77, 5,377.35 and 2,404.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.77 : 5,377.35 = 2,404.84 : x
2. Step 2: Convert to fraction form
   3,896.77/5,377.35 = 2,404.84/x
3. Step 3: Cross multiply
   3,896.77x = 5,377.35 × 2,404.84
4. Step 4: Simplify right side
   3,896.77x = 12,931,666.37
5. Step 5: Solve for x
   x = 12,931,666.37/3,896.77
6. Step 6: Final answer
   x = 3,318.56