Finding the Fourth Proportional to 7,103.50, 9,802.74 and 3,959.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.50 : 9,802.74 = 3,959.68 : x
2. Step 2: Convert to fraction form
   7,103.50/9,802.74 = 3,959.68/x
3. Step 3: Cross multiply
   7,103.50x = 9,802.74 × 3,959.68
4. Step 4: Simplify right side
   7,103.50x = 38,815,713.52
5. Step 5: Solve for x
   x = 38,815,713.52/7,103.50
6. Step 6: Final answer
   x = 5,464.31