Finding the Fourth Proportional to 90,106.82, 135,163.50 and 30,942.14

Step by Step Solution

1. Step 1: Write the proportion equation
   90,106.82 : 135,163.50 = 30,942.14 : x
2. Step 2: Convert to fraction form
   90,106.82/135,163.50 = 30,942.14/x
3. Step 3: Cross multiply
   90,106.82x = 135,163.50 × 30,942.14
4. Step 4: Simplify right side
   90,106.82x = 4,182,247,939.89
5. Step 5: Solve for x
   x = 4,182,247,939.89/90,106.82
6. Step 6: Final answer
   x = 46,414.33