Finding the Fourth Proportional to 22,404.43, 30,906.80 and 13,911.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.43 : 30,906.80 = 13,911.58 : x
2. Step 2: Convert to fraction form
   22,404.43/30,906.80 = 13,911.58/x
3. Step 3: Cross multiply
   22,404.43x = 30,906.80 × 13,911.58
4. Step 4: Simplify right side
   22,404.43x = 429,962,441.99
5. Step 5: Solve for x
   x = 429,962,441.99/22,404.43
6. Step 6: Final answer
   x = 19,190.96