Finding the Fourth Proportional to 22,271.90, 30,767.24 and 17,789.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.90 : 30,767.24 = 17,789.76 : x
2. Step 2: Convert to fraction form
   22,271.90/30,767.24 = 17,789.76/x
3. Step 3: Cross multiply
   22,271.90x = 30,767.24 × 17,789.76
4. Step 4: Simplify right side
   22,271.90x = 547,341,859.94
5. Step 5: Solve for x
   x = 547,341,859.94/22,271.90
6. Step 6: Final answer
   x = 24,575.45