Finding the Fourth Proportional to 22,308.12, 30,785.00 and 12,236.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.12 : 30,785.00 = 12,236.36 : x
2. Step 2: Convert to fraction form
   22,308.12/30,785.00 = 12,236.36/x
3. Step 3: Cross multiply
   22,308.12x = 30,785.00 × 12,236.36
4. Step 4: Simplify right side
   22,308.12x = 376,696,281.42
5. Step 5: Solve for x
   x = 376,696,281.42/22,308.12
6. Step 6: Final answer
   x = 16,886.06