Finding the Fourth Proportional to 7,003.50, 9,665.10 and 3,859.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.50 : 9,665.10 = 3,859.62 : x
2. Step 2: Convert to fraction form
   7,003.50/9,665.10 = 3,859.62/x
3. Step 3: Cross multiply
   7,003.50x = 9,665.10 × 3,859.62
4. Step 4: Simplify right side
   7,003.50x = 37,303,613.26
5. Step 5: Solve for x
   x = 37,303,613.26/7,003.50
6. Step 6: Final answer
   x = 5,326.42