Finding the Fourth Proportional to 9,520.42, 13,136.62 and 5,981.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.42 : 13,136.62 = 5,981.13 : x
2. Step 2: Convert to fraction form
   9,520.42/13,136.62 = 5,981.13/x
3. Step 3: Cross multiply
   9,520.42x = 13,136.62 × 5,981.13
4. Step 4: Simplify right side
   9,520.42x = 78,571,831.98
5. Step 5: Solve for x
   x = 78,571,831.98/9,520.42
6. Step 6: Final answer
   x = 8,252.98