Finding the Fourth Proportional to 22,124.72, 30,523.56 and 13,726.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,124.72 : 30,523.56 = 13,726.64 : x
2. Step 2: Convert to fraction form
   22,124.72/30,523.56 = 13,726.64/x
3. Step 3: Cross multiply
   22,124.72x = 30,523.56 × 13,726.64
4. Step 4: Simplify right side
   22,124.72x = 418,985,919.64
5. Step 5: Solve for x
   x = 418,985,919.64/22,124.72
6. Step 6: Final answer
   x = 18,937.46