Finding the Fourth Proportional to 8,371.67, 12,557.89 and 2,825.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,371.67 : 12,557.89 = 2,825.06 : x
2. Step 2: Convert to fraction form
   8,371.67/12,557.89 = 2,825.06/x
3. Step 3: Cross multiply
   8,371.67x = 12,557.89 × 2,825.06
4. Step 4: Simplify right side
   8,371.67x = 35,476,792.72
5. Step 5: Solve for x
   x = 35,476,792.72/8,371.67
6. Step 6: Final answer
   x = 4,237.72