Finding the Fourth Proportional to 50,867.37, 70,180.17 and 30,716.61

Step by Step Solution

1. Step 1: Write the proportion equation
   50,867.37 : 70,180.17 = 30,716.61 : x
2. Step 2: Convert to fraction form
   50,867.37/70,180.17 = 30,716.61/x
3. Step 3: Cross multiply
   50,867.37x = 70,180.17 × 30,716.61
4. Step 4: Simplify right side
   50,867.37x = 2,155,696,911.62
5. Step 5: Solve for x
   x = 2,155,696,911.62/50,867.37
6. Step 6: Final answer
   x = 42,378.78