Finding the Fourth Proportional to 99,981.43, 149,940.97 and 33,406.03

Step by Step Solution

1. Step 1: Write the proportion equation
   99,981.43 : 149,940.97 = 33,406.03 : x
2. Step 2: Convert to fraction form
   99,981.43/149,940.97 = 33,406.03/x
3. Step 3: Cross multiply
   99,981.43x = 149,940.97 × 33,406.03
4. Step 4: Simplify right side
   99,981.43x = 5,008,932,645.96
5. Step 5: Solve for x
   x = 5,008,932,645.96/99,981.43
6. Step 6: Final answer
   x = 50,098.63