Finding the Fourth Proportional to 33,386.30, 50,086.13 and 12,326.47

Step by Step Solution

1. Step 1: Write the proportion equation
   33,386.30 : 50,086.13 = 12,326.47 : x
2. Step 2: Convert to fraction form
   33,386.30/50,086.13 = 12,326.47/x
3. Step 3: Cross multiply
   33,386.30x = 50,086.13 × 12,326.47
4. Step 4: Simplify right side
   33,386.30x = 617,385,178.86
5. Step 5: Solve for x
   x = 617,385,178.86/33,386.30
6. Step 6: Final answer
   x = 18,492.17