Finding the Fourth Proportional to 22,825.09, 34,238.65 and 8,780.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,825.09 : 34,238.65 = 8,780.10 : x
2. Step 2: Convert to fraction form
   22,825.09/34,238.65 = 8,780.10/x
3. Step 3: Cross multiply
   22,825.09x = 34,238.65 × 8,780.10
4. Step 4: Simplify right side
   22,825.09x = 300,618,636.98
5. Step 5: Solve for x
   x = 300,618,636.98/22,825.09
6. Step 6: Final answer
   x = 13,170.53