Finding the Fourth Proportional to 7,276.91, 10,040.38 and 4,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,276.91 : 10,040.38 = 4,250.31 : x
2. Step 2: Convert to fraction form
   7,276.91/10,040.38 = 4,250.31/x
3. Step 3: Cross multiply
   7,276.91x = 10,040.38 × 4,250.31
4. Step 4: Simplify right side
   7,276.91x = 42,674,727.52
5. Step 5: Solve for x
   x = 42,674,727.52/7,276.91
6. Step 6: Final answer
   x = 5,864.40