Finding the Fourth Proportional to 8,611.50, 12,915.54 and 2,369.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,611.50 : 12,915.54 = 2,369.92 : x
2. Step 2: Convert to fraction form
   8,611.50/12,915.54 = 2,369.92/x
3. Step 3: Cross multiply
   8,611.50x = 12,915.54 × 2,369.92
4. Step 4: Simplify right side
   8,611.50x = 30,608,796.56
5. Step 5: Solve for x
   x = 30,608,796.56/8,611.50
6. Step 6: Final answer
   x = 3,554.41