Finding the Fourth Proportional to 90,443.24, 124,811.99 and 50,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,443.24 : 124,811.99 = 50,160.72 : x
2. Step 2: Convert to fraction form
   90,443.24/124,811.99 = 50,160.72/x
3. Step 3: Cross multiply
   90,443.24x = 124,811.99 × 50,160.72
4. Step 4: Simplify right side
   90,443.24x = 6,260,659,283.03
5. Step 5: Solve for x
   x = 6,260,659,283.03/90,443.24
6. Step 6: Final answer
   x = 69,221.97