Finding the Fourth Proportional to 7,281.50, 10,048.47 and 3,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,281.50 : 10,048.47 = 3,969.50 : x
2. Step 2: Convert to fraction form
   7,281.50/10,048.47 = 3,969.50/x
3. Step 3: Cross multiply
   7,281.50x = 10,048.47 × 3,969.50
4. Step 4: Simplify right side
   7,281.50x = 39,887,401.67
5. Step 5: Solve for x
   x = 39,887,401.67/7,281.50
6. Step 6: Final answer
   x = 5,477.91