Finding the Fourth Proportional to 7,275.91, 10,039.00 and 4,249.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,275.91 : 10,039.00 = 4,249.31 : x
2. Step 2: Convert to fraction form
   7,275.91/10,039.00 = 4,249.31/x
3. Step 3: Cross multiply
   7,275.91x = 10,039.00 × 4,249.31
4. Step 4: Simplify right side
   7,275.91x = 42,658,826.71
5. Step 5: Solve for x
   x = 42,658,826.71/7,275.91
6. Step 6: Final answer
   x = 5,863.03