Finding the Fourth Proportional to 8,587.89, 12,882.69 and 2,348.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,587.89 : 12,882.69 = 2,348.28 : x
2. Step 2: Convert to fraction form
   8,587.89/12,882.69 = 2,348.28/x
3. Step 3: Cross multiply
   8,587.89x = 12,882.69 × 2,348.28
4. Step 4: Simplify right side
   8,587.89x = 30,252,163.27
5. Step 5: Solve for x
   x = 30,252,163.27/8,587.89
6. Step 6: Final answer
   x = 3,522.65