Finding the Fourth Proportional to 7,276.72, 10,041.87 and 3,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,276.72 : 10,041.87 = 3,964.72 : x
2. Step 2: Convert to fraction form
   7,276.72/10,041.87 = 3,964.72/x
3. Step 3: Cross multiply
   7,276.72x = 10,041.87 × 3,964.72
4. Step 4: Simplify right side
   7,276.72x = 39,813,200.19
5. Step 5: Solve for x
   x = 39,813,200.19/7,276.72
6. Step 6: Final answer
   x = 5,471.31