Finding the Fourth Proportional to 3,965.31, 5,471.33 and 2,393.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.31 : 5,471.33 = 2,393.49 : x
2. Step 2: Convert to fraction form
   3,965.31/5,471.33 = 2,393.49/x
3. Step 3: Cross multiply
   3,965.31x = 5,471.33 × 2,393.49
4. Step 4: Simplify right side
   3,965.31x = 13,095,552.27
5. Step 5: Solve for x
   x = 13,095,552.27/3,965.31
6. Step 6: Final answer
   x = 3,302.53