Finding the Fourth Proportional to 99,789.43, 149,708.06 and 33,230.15

Step by Step Solution

1. Step 1: Write the proportion equation
   99,789.43 : 149,708.06 = 33,230.15 : x
2. Step 2: Convert to fraction form
   99,789.43/149,708.06 = 33,230.15/x
3. Step 3: Cross multiply
   99,789.43x = 149,708.06 × 33,230.15
4. Step 4: Simplify right side
   99,789.43x = 4,974,821,123.86
5. Step 5: Solve for x
   x = 4,974,821,123.86/99,789.43
6. Step 6: Final answer
   x = 49,853.19