Finding the Fourth Proportional to 9,843.90, 13,584.60 and 5,367.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.90 : 13,584.60 = 5,367.62 : x
2. Step 2: Convert to fraction form
   9,843.90/13,584.60 = 5,367.62/x
3. Step 3: Cross multiply
   9,843.90x = 13,584.60 × 5,367.62
4. Step 4: Simplify right side
   9,843.90x = 72,916,902.73
5. Step 5: Solve for x
   x = 72,916,902.73/9,843.90
6. Step 6: Final answer
   x = 7,407.32