Finding the Fourth Proportional to 3,969.87, 5,477.00 and 2,397.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.87 : 5,477.00 = 2,397.39 : x
2. Step 2: Convert to fraction form
   3,969.87/5,477.00 = 2,397.39/x
3. Step 3: Cross multiply
   3,969.87x = 5,477.00 × 2,397.39
4. Step 4: Simplify right side
   3,969.87x = 13,130,493.04
5. Step 5: Solve for x
   x = 13,130,493.04/3,969.87
6. Step 6: Final answer
   x = 3,307.54