Finding the Fourth Proportional to 9,469.89, 14,195.27 and 3,915.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.89 : 14,195.27 = 3,915.57 : x
2. Step 2: Convert to fraction form
   9,469.89/14,195.27 = 3,915.57/x
3. Step 3: Cross multiply
   9,469.89x = 14,195.27 × 3,915.57
4. Step 4: Simplify right side
   9,469.89x = 55,582,553.78
5. Step 5: Solve for x
   x = 55,582,553.78/9,469.89
6. Step 6: Final answer
   x = 5,869.40