Finding the Fourth Proportional to 9,273.50, 13,915.72 and 3,434.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,273.50 : 13,915.72 = 3,434.21 : x
2. Step 2: Convert to fraction form
   9,273.50/13,915.72 = 3,434.21/x
3. Step 3: Cross multiply
   9,273.50x = 13,915.72 × 3,434.21
4. Step 4: Simplify right side
   9,273.50x = 47,789,504.78
5. Step 5: Solve for x
   x = 47,789,504.78/9,273.50
6. Step 6: Final answer
   x = 5,153.34