Finding the Fourth Proportional to 99,965.72, 149,956.31 and 33,406.08

Step by Step Solution

1. Step 1: Write the proportion equation
   99,965.72 : 149,956.31 = 33,406.08 : x
2. Step 2: Convert to fraction form
   99,965.72/149,956.31 = 33,406.08/x
3. Step 3: Cross multiply
   99,965.72x = 149,956.31 × 33,406.08
4. Step 4: Simplify right side
   99,965.72x = 5,009,452,321.33
5. Step 5: Solve for x
   x = 5,009,452,321.33/99,965.72
6. Step 6: Final answer
   x = 50,111.70