Finding the Fourth Proportional to 33,249.98, 49,831.86 and 13,505.60

Step by Step Solution

1. Step 1: Write the proportion equation
   33,249.98 : 49,831.86 = 13,505.60 : x
2. Step 2: Convert to fraction form
   33,249.98/49,831.86 = 13,505.60/x
3. Step 3: Cross multiply
   33,249.98x = 49,831.86 × 13,505.60
4. Step 4: Simplify right side
   33,249.98x = 673,009,168.42
5. Step 5: Solve for x
   x = 673,009,168.42/33,249.98
6. Step 6: Final answer
   x = 20,240.89