Finding the Fourth Proportional to 33,690.78, 50,536.89 and 10,317.24

Step by Step Solution

1. Step 1: Write the proportion equation
   33,690.78 : 50,536.89 = 10,317.24 : x
2. Step 2: Convert to fraction form
   33,690.78/50,536.89 = 10,317.24/x
3. Step 3: Cross multiply
   33,690.78x = 50,536.89 × 10,317.24
4. Step 4: Simplify right side
   33,690.78x = 521,401,222.98
5. Step 5: Solve for x
   x = 521,401,222.98/33,690.78
6. Step 6: Final answer
   x = 15,476.08