Finding the Fourth Proportional to 7,003.47, 9,665.15 and 3,859.66

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.47 : 9,665.15 = 3,859.66 : x
2. Step 2: Convert to fraction form
   7,003.47/9,665.15 = 3,859.66/x
3. Step 3: Cross multiply
   7,003.47x = 9,665.15 × 3,859.66
4. Step 4: Simplify right side
   7,003.47x = 37,304,192.85
5. Step 5: Solve for x
   x = 37,304,192.85/7,003.47
6. Step 6: Final answer
   x = 5,326.53