Finding the Fourth Proportional to 7,003.67, 9,665.04 and 3,859.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.67 : 9,665.04 = 3,859.86 : x
2. Step 2: Convert to fraction form
   7,003.67/9,665.04 = 3,859.86/x
3. Step 3: Cross multiply
   7,003.67x = 9,665.04 × 3,859.86
4. Step 4: Simplify right side
   7,003.67x = 37,305,701.29
5. Step 5: Solve for x
   x = 37,305,701.29/7,003.67
6. Step 6: Final answer
   x = 5,326.59