Finding the Fourth Proportional to 16,422.24, 22,645.20 and 10,761.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.24 : 22,645.20 = 10,761.92 : x
2. Step 2: Convert to fraction form
   16,422.24/22,645.20 = 10,761.92/x
3. Step 3: Cross multiply
   16,422.24x = 22,645.20 × 10,761.92
4. Step 4: Simplify right side
   16,422.24x = 243,705,830.78
5. Step 5: Solve for x
   x = 243,705,830.78/16,422.24
6. Step 6: Final answer
   x = 14,839.99