Finding the Fourth Proportional to 90,017.37, 135,046.16 and 33,857.96

Step by Step Solution

1. Step 1: Write the proportion equation
   90,017.37 : 135,046.16 = 33,857.96 : x
2. Step 2: Convert to fraction form
   90,017.37/135,046.16 = 33,857.96/x
3. Step 3: Cross multiply
   90,017.37x = 135,046.16 × 33,857.96
4. Step 4: Simplify right side
   90,017.37x = 4,572,387,483.43
5. Step 5: Solve for x
   x = 4,572,387,483.43/90,017.37
6. Step 6: Final answer
   x = 50,794.50