Finding the Fourth Proportional to 81,245.05, 121,822.54 and 33,247.37

Step by Step Solution

1. Step 1: Write the proportion equation
   81,245.05 : 121,822.54 = 33,247.37 : x
2. Step 2: Convert to fraction form
   81,245.05/121,822.54 = 33,247.37/x
3. Step 3: Cross multiply
   81,245.05x = 121,822.54 × 33,247.37
4. Step 4: Simplify right side
   81,245.05x = 4,050,279,061.72
5. Step 5: Solve for x
   x = 4,050,279,061.72/81,245.05
6. Step 6: Final answer
   x = 49,852.63