Finding the Fourth Proportional to 83,824.92, 115,672.59 and 49,831.65

Step by Step Solution

1. Step 1: Write the proportion equation
   83,824.92 : 115,672.59 = 49,831.65 : x
2. Step 2: Convert to fraction form
   83,824.92/115,672.59 = 49,831.65/x
3. Step 3: Cross multiply
   83,824.92x = 115,672.59 × 49,831.65
4. Step 4: Simplify right side
   83,824.92x = 5,764,156,019.47
5. Step 5: Solve for x
   x = 5,764,156,019.47/83,824.92
6. Step 6: Final answer
   x = 68,764.23