Finding the Fourth Proportional to 7,003.52, 9,665.29 and 3,859.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.52 : 9,665.29 = 3,859.70 : x
2. Step 2: Convert to fraction form
   7,003.52/9,665.29 = 3,859.70/x
3. Step 3: Cross multiply
   7,003.52x = 9,665.29 × 3,859.70
4. Step 4: Simplify right side
   7,003.52x = 37,305,119.81
5. Step 5: Solve for x
   x = 37,305,119.81/7,003.52
6. Step 6: Final answer
   x = 5,326.62