Finding the Fourth Proportional to 3,969.38, 5,477.96 and 2,396.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.38 : 5,477.96 = 2,396.56 : x
2. Step 2: Convert to fraction form
   3,969.38/5,477.96 = 2,396.56/x
3. Step 3: Cross multiply
   3,969.38x = 5,477.96 × 2,396.56
4. Step 4: Simplify right side
   3,969.38x = 13,128,259.82
5. Step 5: Solve for x
   x = 13,128,259.82/3,969.38
6. Step 6: Final answer
   x = 3,307.38