Finding the Fourth Proportional to 22,761, 34,118.04 and 8,717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,761 : 34,118.04 = 8,717.72 : x
2. Step 2: Convert to fraction form
   22,761/34,118.04 = 8,717.72/x
3. Step 3: Cross multiply
   22,761x = 34,118.04 × 8,717.72
4. Step 4: Simplify right side
   22,761x = 297,431,519.67
5. Step 5: Solve for x
   x = 297,431,519.67/22,761
6. Step 6: Final answer
   x = 13,067.59