Finding the Fourth Proportional to 99,786.32, 149,647.20 and 33,208.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,786.32 : 149,647.20 = 33,208.56 : x
2. Step 2: Convert to fraction form
   99,786.32/149,647.20 = 33,208.56/x
3. Step 3: Cross multiply
   99,786.32x = 149,647.20 × 33,208.56
4. Step 4: Simplify right side
   99,786.32x = 4,969,568,020.03
5. Step 5: Solve for x
   x = 4,969,568,020.03/99,786.32
6. Step 6: Final answer
   x = 49,802.10