Finding the Fourth Proportional to 22,308.14, 30,784.70 and 12,236.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.14 : 30,784.70 = 12,236.49 : x
2. Step 2: Convert to fraction form
   22,308.14/30,784.70 = 12,236.49/x
3. Step 3: Cross multiply
   22,308.14x = 30,784.70 × 12,236.49
4. Step 4: Simplify right side
   22,308.14x = 376,696,612.52
5. Step 5: Solve for x
   x = 376,696,612.52/22,308.14
6. Step 6: Final answer
   x = 16,886.06