Finding the Fourth Proportional to 8,901.72, 12,284.10 and 4,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,901.72 : 12,284.10 = 4,922.82 : x
2. Step 2: Convert to fraction form
   8,901.72/12,284.10 = 4,922.82/x
3. Step 3: Cross multiply
   8,901.72x = 12,284.10 × 4,922.82
4. Step 4: Simplify right side
   8,901.72x = 60,472,413.16
5. Step 5: Solve for x
   x = 60,472,413.16/8,901.72
6. Step 6: Final answer
   x = 6,793.34