Finding the Fourth Proportional to 9,864.24, 13,612.60 and 5,885.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.24 : 13,612.60 = 5,885.52 : x
2. Step 2: Convert to fraction form
   9,864.24/13,612.60 = 5,885.52/x
3. Step 3: Cross multiply
   9,864.24x = 13,612.60 × 5,885.52
4. Step 4: Simplify right side
   9,864.24x = 80,117,229.55
5. Step 5: Solve for x
   x = 80,117,229.55/9,864.24
6. Step 6: Final answer
   x = 8,121.99