Finding the Fourth Proportional to 8,870.82, 13,304.38 and 2,629.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.82 : 13,304.38 = 2,629.36 : x
2. Step 2: Convert to fraction form
   8,870.82/13,304.38 = 2,629.36/x
3. Step 3: Cross multiply
   8,870.82x = 13,304.38 × 2,629.36
4. Step 4: Simplify right side
   8,870.82x = 34,982,004.60
5. Step 5: Solve for x
   x = 34,982,004.60/8,870.82
6. Step 6: Final answer
   x = 3,943.49