Finding the Fourth Proportional to 2,633.67, 3,931.31 and 2,438.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.67 : 3,931.31 = 2,438.19 : x
2. Step 2: Convert to fraction form
   2,633.67/3,931.31 = 2,438.19/x
3. Step 3: Cross multiply
   2,633.67x = 3,931.31 × 2,438.19
4. Step 4: Simplify right side
   2,633.67x = 9,585,286.82
5. Step 5: Solve for x
   x = 9,585,286.82/2,633.67
6. Step 6: Final answer
   x = 3,639.52