Finding the Fourth Proportional to 7,003.32, 9,664.58 and 3,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.32 : 9,664.58 = 3,859.50 : x
2. Step 2: Convert to fraction form
   7,003.32/9,664.58 = 3,859.50/x
3. Step 3: Cross multiply
   7,003.32x = 9,664.58 × 3,859.50
4. Step 4: Simplify right side
   7,003.32x = 37,300,492.40
5. Step 5: Solve for x
   x = 37,300,492.40/7,003.32
6. Step 6: Final answer
   x = 5,326.12