Finding the Fourth Proportional to 9,843.80, 13,584.35 and 5,367.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.80 : 13,584.35 = 5,367.45 : x
2. Step 2: Convert to fraction form
   9,843.80/13,584.35 = 5,367.45/x
3. Step 3: Cross multiply
   9,843.80x = 13,584.35 × 5,367.45
4. Step 4: Simplify right side
   9,843.80x = 72,913,383.77
5. Step 5: Solve for x
   x = 72,913,383.77/9,843.80
6. Step 6: Final answer
   x = 7,407.04