Finding the Fourth Proportional to 8,381.37, 12,570.69 and 2,834.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,381.37 : 12,570.69 = 2,834.61 : x
2. Step 2: Convert to fraction form
   8,381.37/12,570.69 = 2,834.61/x
3. Step 3: Cross multiply
   8,381.37x = 12,570.69 × 2,834.61
4. Step 4: Simplify right side
   8,381.37x = 35,633,003.58
5. Step 5: Solve for x
   x = 35,633,003.58/8,381.37
6. Step 6: Final answer
   x = 4,251.45