Finding the Fourth Proportional to 33,721.98, 50,580.54 and 10,347

Step by Step Solution

1. Step 1: Write the proportion equation
   33,721.98 : 50,580.54 = 10,347 : x
2. Step 2: Convert to fraction form
   33,721.98/50,580.54 = 10,347/x
3. Step 3: Cross multiply
   33,721.98x = 50,580.54 × 10,347
4. Step 4: Simplify right side
   33,721.98x = 523,356,847.38
5. Step 5: Solve for x
   x = 523,356,847.38/33,721.98
6. Step 6: Final answer
   x = 15,519.75