Finding the Fourth Proportional to 10,951.34, 16,431.46 and 5,104.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.34 : 16,431.46 = 5,104.35 : x
2. Step 2: Convert to fraction form
   10,951.34/16,431.46 = 5,104.35/x
3. Step 3: Cross multiply
   10,951.34x = 16,431.46 × 5,104.35
4. Step 4: Simplify right side
   10,951.34x = 83,871,910.09
5. Step 5: Solve for x
   x = 83,871,910.09/10,951.34
6. Step 6: Final answer
   x = 7,658.60