Finding the Fourth Proportional to 72,839.36, 109,271.52 and 33,399.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,839.36 : 109,271.52 = 33,399.86 : x
2. Step 2: Convert to fraction form
   72,839.36/109,271.52 = 33,399.86/x
3. Step 3: Cross multiply
   72,839.36x = 109,271.52 × 33,399.86
4. Step 4: Simplify right side
   72,839.36x = 3,649,653,469.99
5. Step 5: Solve for x
   x = 3,649,653,469.99/72,839.36
6. Step 6: Final answer
   x = 50,105.51