Finding the Fourth Proportional to 90,105.59, 124,340.69 and 49,817

Step by Step Solution

1. Step 1: Write the proportion equation
   90,105.59 : 124,340.69 = 49,817 : x
2. Step 2: Convert to fraction form
   90,105.59/124,340.69 = 49,817/x
3. Step 3: Cross multiply
   90,105.59x = 124,340.69 × 49,817
4. Step 4: Simplify right side
   90,105.59x = 6,194,280,153.73
5. Step 5: Solve for x
   x = 6,194,280,153.73/90,105.59
6. Step 6: Final answer
   x = 68,744.68