Finding the Fourth Proportional to 3,969.42, 5,477.82 and 2,574.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.42 : 5,477.82 = 2,574.60 : x
2. Step 2: Convert to fraction form
   3,969.42/5,477.82 = 2,574.60/x
3. Step 3: Cross multiply
   3,969.42x = 5,477.82 × 2,574.60
4. Step 4: Simplify right side
   3,969.42x = 14,103,195.37
5. Step 5: Solve for x
   x = 14,103,195.37/3,969.42
6. Step 6: Final answer
   x = 3,552.96