Finding the Fourth Proportional to 9,843.40, 13,583.90 and 5,367.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.40 : 13,583.90 = 5,367.16 : x
2. Step 2: Convert to fraction form
   9,843.40/13,583.90 = 5,367.16/x
3. Step 3: Cross multiply
   9,843.40x = 13,583.90 × 5,367.16
4. Step 4: Simplify right side
   9,843.40x = 72,906,964.72
5. Step 5: Solve for x
   x = 72,906,964.72/9,843.40
6. Step 6: Final answer
   x = 7,406.69