Finding the Fourth Proportional to 10,311.50, 14,229.90 and 5,595.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,311.50 : 14,229.90 = 5,595.78 : x
2. Step 2: Convert to fraction form
   10,311.50/14,229.90 = 5,595.78/x
3. Step 3: Cross multiply
   10,311.50x = 14,229.90 × 5,595.78
4. Step 4: Simplify right side
   10,311.50x = 79,627,389.82
5. Step 5: Solve for x
   x = 79,627,389.82/10,311.50
6. Step 6: Final answer
   x = 7,722.19