Finding the Fourth Proportional to 113,997.50, 170,996.31 and 30,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,997.50 : 170,996.31 = 30,891.50 : x
2. Step 2: Convert to fraction form
   113,997.50/170,996.31 = 30,891.50/x
3. Step 3: Cross multiply
   113,997.50x = 170,996.31 × 30,891.50
4. Step 4: Simplify right side
   113,997.50x = 5,282,332,510.37
5. Step 5: Solve for x
   x = 5,282,332,510.37/113,997.50
6. Step 6: Final answer
   x = 46,337.27