Finding the Fourth Proportional to 7,321.69, 10,103.93 and 3,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.69 : 10,103.93 = 3,964.50 : x
2. Step 2: Convert to fraction form
   7,321.69/10,103.93 = 3,964.50/x
3. Step 3: Cross multiply
   7,321.69x = 10,103.93 × 3,964.50
4. Step 4: Simplify right side
   7,321.69x = 40,057,030.49
5. Step 5: Solve for x
   x = 40,057,030.49/7,321.69
6. Step 6: Final answer
   x = 5,471.01