Finding the Fourth Proportional to 9,843.98, 13,584.78 and 5,367.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.98 : 13,584.78 = 5,367.77 : x
2. Step 2: Convert to fraction form
   9,843.98/13,584.78 = 5,367.77/x
3. Step 3: Cross multiply
   9,843.98x = 13,584.78 × 5,367.77
4. Step 4: Simplify right side
   9,843.98x = 72,919,974.54
5. Step 5: Solve for x
   x = 72,919,974.54/9,843.98
6. Step 6: Final answer
   x = 7,407.57