Finding the Fourth Proportional to 9,361.02, 12,915.02 and 5,581.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,361.02 : 12,915.02 = 5,581.62 : x
2. Step 2: Convert to fraction form
   9,361.02/12,915.02 = 5,581.62/x
3. Step 3: Cross multiply
   9,361.02x = 12,915.02 × 5,581.62
4. Step 4: Simplify right side
   9,361.02x = 72,086,706.02
5. Step 5: Solve for x
   x = 72,086,706.02/9,361.02
6. Step 6: Final answer
   x = 7,700.73