Finding the Fourth Proportional to 20,862.69, 31,293.72 and 5,067.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,862.69 : 31,293.72 = 5,067.84 : x
2. Step 2: Convert to fraction form
   20,862.69/31,293.72 = 5,067.84/x
3. Step 3: Cross multiply
   20,862.69x = 31,293.72 × 5,067.84
4. Step 4: Simplify right side
   20,862.69x = 158,591,565.96
5. Step 5: Solve for x
   x = 158,591,565.96/20,862.69
6. Step 6: Final answer
   x = 7,601.68