Finding the Fourth Proportional to 3,969.33, 5,476.64 and 2,552.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.33 : 5,476.64 = 2,552.37 : x
2. Step 2: Convert to fraction form
   3,969.33/5,476.64 = 2,552.37/x
3. Step 3: Cross multiply
   3,969.33x = 5,476.64 × 2,552.37
4. Step 4: Simplify right side
   3,969.33x = 13,978,411.64
5. Step 5: Solve for x
   x = 13,978,411.64/3,969.33
6. Step 6: Final answer
   x = 3,521.60