Finding the Fourth Proportional to 10,436.69, 14,402.76 and 5,720.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.69 : 14,402.76 = 5,720.96 : x
2. Step 2: Convert to fraction form
   10,436.69/14,402.76 = 5,720.96/x
3. Step 3: Cross multiply
   10,436.69x = 14,402.76 × 5,720.96
4. Step 4: Simplify right side
   10,436.69x = 82,397,613.85
5. Step 5: Solve for x
   x = 82,397,613.85/10,436.69
6. Step 6: Final answer
   x = 7,894.99