Finding the Fourth Proportional to 7,343.69, 10,134.27 and 3,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,343.69 : 10,134.27 = 3,986.50 : x
2. Step 2: Convert to fraction form
   7,343.69/10,134.27 = 3,986.50/x
3. Step 3: Cross multiply
   7,343.69x = 10,134.27 × 3,986.50
4. Step 4: Simplify right side
   7,343.69x = 40,400,290.28
5. Step 5: Solve for x
   x = 40,400,290.28/7,343.69
6. Step 6: Final answer
   x = 5,501.36