Finding the Fourth Proportional to 33,147.50, 49,723.68 and 12,371

Step by Step Solution

1. Step 1: Write the proportion equation
   33,147.50 : 49,723.68 = 12,371 : x
2. Step 2: Convert to fraction form
   33,147.50/49,723.68 = 12,371/x
3. Step 3: Cross multiply
   33,147.50x = 49,723.68 × 12,371
4. Step 4: Simplify right side
   33,147.50x = 615,131,645.28
5. Step 5: Solve for x
   x = 615,131,645.28/33,147.50
6. Step 6: Final answer
   x = 18,557.41