Finding the Fourth Proportional to 22,676.43, 34,020.76 and 7,886.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,676.43 : 34,020.76 = 7,886.17 : x
2. Step 2: Convert to fraction form
   22,676.43/34,020.76 = 7,886.17/x
3. Step 3: Cross multiply
   22,676.43x = 34,020.76 × 7,886.17
4. Step 4: Simplify right side
   22,676.43x = 268,293,496.89
5. Step 5: Solve for x
   x = 268,293,496.89/22,676.43
6. Step 6: Final answer
   x = 11,831.38