Finding the Fourth Proportional to 50,150.91, 69,206.88 and 28,928.91

Step by Step Solution

1. Step 1: Write the proportion equation
   50,150.91 : 69,206.88 = 28,928.91 : x
2. Step 2: Convert to fraction form
   50,150.91/69,206.88 = 28,928.91/x
3. Step 3: Cross multiply
   50,150.91x = 69,206.88 × 28,928.91
4. Step 4: Simplify right side
   50,150.91x = 2,002,079,602.90
5. Step 5: Solve for x
   x = 2,002,079,602.90/50,150.91
6. Step 6: Final answer
   x = 39,921.10