Finding the Fourth Proportional to 7,003.34, 9,664.65 and 3,859.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.34 : 9,664.65 = 3,859.53 : x
2. Step 2: Convert to fraction form
   7,003.34/9,664.65 = 3,859.53/x
3. Step 3: Cross multiply
   7,003.34x = 9,664.65 × 3,859.53
4. Step 4: Simplify right side
   7,003.34x = 37,301,006.61
5. Step 5: Solve for x
   x = 37,301,006.61/7,003.34
6. Step 6: Final answer
   x = 5,326.17