Finding the Fourth Proportional to 50,662.32, 69,917.62 and 28,000.83

Step by Step Solution

1. Step 1: Write the proportion equation
   50,662.32 : 69,917.62 = 28,000.83 : x
2. Step 2: Convert to fraction form
   50,662.32/69,917.62 = 28,000.83/x
3. Step 3: Cross multiply
   50,662.32x = 69,917.62 × 28,000.83
4. Step 4: Simplify right side
   50,662.32x = 1,957,751,112.04
5. Step 5: Solve for x
   x = 1,957,751,112.04/50,662.32
6. Step 6: Final answer
   x = 38,643.14