Finding the Fourth Proportional to 90,119.87, 124,367.55 and 49,834.42

Step by Step Solution

1. Step 1: Write the proportion equation
   90,119.87 : 124,367.55 = 49,834.42 : x
2. Step 2: Convert to fraction form
   90,119.87/124,367.55 = 49,834.42/x
3. Step 3: Cross multiply
   90,119.87x = 124,367.55 × 49,834.42
4. Step 4: Simplify right side
   90,119.87x = 6,197,784,223.27
5. Step 5: Solve for x
   x = 6,197,784,223.27/90,119.87
6. Step 6: Final answer
   x = 68,772.67