Finding the Fourth Proportional to 7,146.69, 10,723.69 and 3,402.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,146.69 : 10,723.69 = 3,402.70 : x
2. Step 2: Convert to fraction form
   7,146.69/10,723.69 = 3,402.70/x
3. Step 3: Cross multiply
   7,146.69x = 10,723.69 × 3,402.70
4. Step 4: Simplify right side
   7,146.69x = 36,489,504.86
5. Step 5: Solve for x
   x = 36,489,504.86/7,146.69
6. Step 6: Final answer
   x = 5,105.79