Finding the Fourth Proportional to 90,105.09, 124,340.00 and 49,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,105.09 : 124,340.00 = 49,816.50 : x
2. Step 2: Convert to fraction form
   90,105.09/124,340.00 = 49,816.50/x
3. Step 3: Cross multiply
   90,105.09x = 124,340.00 × 49,816.50
4. Step 4: Simplify right side
   90,105.09x = 6,194,183,734.54
5. Step 5: Solve for x
   x = 6,194,183,734.54/90,105.09
6. Step 6: Final answer
   x = 68,743.99