Finding the Fourth Proportional to 22,764.72, 34,157.92 and 10,288.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,764.72 : 34,157.92 = 10,288.56 : x
2. Step 2: Convert to fraction form
   22,764.72/34,157.92 = 10,288.56/x
3. Step 3: Cross multiply
   22,764.72x = 34,157.92 × 10,288.56
4. Step 4: Simplify right side
   22,764.72x = 351,435,809.40
5. Step 5: Solve for x
   x = 351,435,809.40/22,764.72
6. Step 6: Final answer
   x = 15,437.74