Finding the Fourth Proportional to 22,786.17, 34,155.82 and 8,742.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,786.17 : 34,155.82 = 8,742.45 : x
2. Step 2: Convert to fraction form
   22,786.17/34,155.82 = 8,742.45/x
3. Step 3: Cross multiply
   22,786.17x = 34,155.82 × 8,742.45
4. Step 4: Simplify right side
   22,786.17x = 298,605,548.56
5. Step 5: Solve for x
   x = 298,605,548.56/22,786.17
6. Step 6: Final answer
   x = 13,104.68