Finding the Fourth Proportional to 9,843.49, 13,584.07 and 5,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.49 : 13,584.07 = 5,367.31 : x
2. Step 2: Convert to fraction form
   9,843.49/13,584.07 = 5,367.31/x
3. Step 3: Cross multiply
   9,843.49x = 13,584.07 × 5,367.31
4. Step 4: Simplify right side
   9,843.49x = 72,909,914.75
5. Step 5: Solve for x
   x = 72,909,914.75/9,843.49
6. Step 6: Final answer
   x = 7,406.92