Finding the Fourth Proportional to 10,436.12, 14,401.68 and 5,720.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.12 : 14,401.68 = 5,720.46 : x
2. Step 2: Convert to fraction form
   10,436.12/14,401.68 = 5,720.46/x
3. Step 3: Cross multiply
   10,436.12x = 14,401.68 × 5,720.46
4. Step 4: Simplify right side
   10,436.12x = 82,384,234.37
5. Step 5: Solve for x
   x = 82,384,234.37/10,436.12
6. Step 6: Final answer
   x = 7,894.14