Finding the Fourth Proportional to 90,233.31, 135,348.37 and 31,067.67

Step by Step Solution

1. Step 1: Write the proportion equation
   90,233.31 : 135,348.37 = 31,067.67 : x
2. Step 2: Convert to fraction form
   90,233.31/135,348.37 = 31,067.67/x
3. Step 3: Cross multiply
   90,233.31x = 135,348.37 × 31,067.67
4. Step 4: Simplify right side
   90,233.31x = 4,204,958,416.53
5. Step 5: Solve for x
   x = 4,204,958,416.53/90,233.31
6. Step 6: Final answer
   x = 46,600.95