Finding the Fourth Proportional to 99,825.78, 149,688.72 and 33,242.70

Step by Step Solution

1. Step 1: Write the proportion equation
   99,825.78 : 149,688.72 = 33,242.70 : x
2. Step 2: Convert to fraction form
   99,825.78/149,688.72 = 33,242.70/x
3. Step 3: Cross multiply
   99,825.78x = 149,688.72 × 33,242.70
4. Step 4: Simplify right side
   99,825.78x = 4,976,057,212.34
5. Step 5: Solve for x
   x = 4,976,057,212.34/99,825.78
6. Step 6: Final answer
   x = 49,847.42