Finding the Fourth Proportional to 22,355.64, 30,849.42 and 12,282.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,355.64 : 30,849.42 = 12,282.12 : x
2. Step 2: Convert to fraction form
   22,355.64/30,849.42 = 12,282.12/x
3. Step 3: Cross multiply
   22,355.64x = 30,849.42 × 12,282.12
4. Step 4: Simplify right side
   22,355.64x = 378,896,278.37
5. Step 5: Solve for x
   x = 378,896,278.37/22,355.64
6. Step 6: Final answer
   x = 16,948.58