Finding the Fourth Proportional to 7,002.91, 9,664.02 and 3,859.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.91 : 9,664.02 = 3,859.10 : x
2. Step 2: Convert to fraction form
   7,002.91/9,664.02 = 3,859.10/x
3. Step 3: Cross multiply
   7,002.91x = 9,664.02 × 3,859.10
4. Step 4: Simplify right side
   7,002.91x = 37,294,407.50
5. Step 5: Solve for x
   x = 37,294,407.50/7,002.91
6. Step 6: Final answer
   x = 5,325.56