Finding the Fourth Proportional to 9,845.76, 13,584.56 and 5,865.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.76 : 13,584.56 = 5,865.12 : x
2. Step 2: Convert to fraction form
   9,845.76/13,584.56 = 5,865.12/x
3. Step 3: Cross multiply
   9,845.76x = 13,584.56 × 5,865.12
4. Step 4: Simplify right side
   9,845.76x = 79,675,074.55
5. Step 5: Solve for x
   x = 79,675,074.55/9,845.76
6. Step 6: Final answer
   x = 8,092.32