Finding the Fourth Proportional to 8,870.24, 13,294.73 and 3,934.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.24 : 13,294.73 = 3,934.31 : x
2. Step 2: Convert to fraction form
   8,870.24/13,294.73 = 3,934.31/x
3. Step 3: Cross multiply
   8,870.24x = 13,294.73 × 3,934.31
4. Step 4: Simplify right side
   8,870.24x = 52,305,532.55
5. Step 5: Solve for x
   x = 52,305,532.55/8,870.24
6. Step 6: Final answer
   x = 5,896.74