Finding the Fourth Proportional to 50,800, 70,087.80 and 32,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,800 : 70,087.80 = 32,908.72 : x
2. Step 2: Convert to fraction form
   50,800/70,087.80 = 32,908.72/x
3. Step 3: Cross multiply
   50,800x = 70,087.80 × 32,908.72
4. Step 4: Simplify right side
   50,800x = 2,306,499,785.62
5. Step 5: Solve for x
   x = 2,306,499,785.62/50,800
6. Step 6: Final answer
   x = 45,403.54