Finding the Fourth Proportional to 22,355.46, 30,845.43 and 13,404.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,355.46 : 30,845.43 = 13,404.60 : x
2. Step 2: Convert to fraction form
   22,355.46/30,845.43 = 13,404.60/x
3. Step 3: Cross multiply
   22,355.46x = 30,845.43 × 13,404.60
4. Step 4: Simplify right side
   22,355.46x = 413,470,650.98
5. Step 5: Solve for x
   x = 413,470,650.98/22,355.46
6. Step 6: Final answer
   x = 18,495.29