Finding the Fourth Proportional to 3,897.60, 5,377.02 and 2,404.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.60 : 5,377.02 = 2,404.37 : x
2. Step 2: Convert to fraction form
   3,897.60/5,377.02 = 2,404.37/x
3. Step 3: Cross multiply
   3,897.60x = 5,377.02 × 2,404.37
4. Step 4: Simplify right side
   3,897.60x = 12,928,318.69
5. Step 5: Solve for x
   x = 12,928,318.69/3,897.60
6. Step 6: Final answer
   x = 3,316.99