Finding the Fourth Proportional to 22,308.48, 30,785.88 and 12,236.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.48 : 30,785.88 = 12,236.82 : x
2. Step 2: Convert to fraction form
   22,308.48/30,785.88 = 12,236.82/x
3. Step 3: Cross multiply
   22,308.48x = 30,785.88 × 12,236.82
4. Step 4: Simplify right side
   22,308.48x = 376,721,272.10
5. Step 5: Solve for x
   x = 376,721,272.10/22,308.48
6. Step 6: Final answer
   x = 16,886.91