Finding the Fourth Proportional to 90,517.03, 124,922.72 and 50,231.07

Step by Step Solution

1. Step 1: Write the proportion equation
   90,517.03 : 124,922.72 = 50,231.07 : x
2. Step 2: Convert to fraction form
   90,517.03/124,922.72 = 50,231.07/x
3. Step 3: Cross multiply
   90,517.03x = 124,922.72 × 50,231.07
4. Step 4: Simplify right side
   90,517.03x = 6,275,002,018.49
5. Step 5: Solve for x
   x = 6,275,002,018.49/90,517.03
6. Step 6: Final answer
   x = 69,324.00