Finding the Fourth Proportional to 50,151.12, 69,205.88 and 28,929.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,151.12 : 69,205.88 = 28,929.12 : x
2. Step 2: Convert to fraction form
   50,151.12/69,205.88 = 28,929.12/x
3. Step 3: Cross multiply
   50,151.12x = 69,205.88 × 28,929.12
4. Step 4: Simplify right side
   50,151.12x = 2,002,065,207.23
5. Step 5: Solve for x
   x = 2,002,065,207.23/50,151.12
6. Step 6: Final answer
   x = 39,920.65