Finding the Fourth Proportional to 99,958.72, 149,935.69 and 32,490.67

Step by Step Solution

1. Step 1: Write the proportion equation
   99,958.72 : 149,935.69 = 32,490.67 : x
2. Step 2: Convert to fraction form
   99,958.72/149,935.69 = 32,490.67/x
3. Step 3: Cross multiply
   99,958.72x = 149,935.69 × 32,490.67
4. Step 4: Simplify right side
   99,958.72x = 4,871,511,025.01
5. Step 5: Solve for x
   x = 4,871,511,025.01/99,958.72
6. Step 6: Final answer
   x = 48,735.23