Finding the Fourth Proportional to 7,250.72, 10,005.26 and 4,225.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,250.72 : 10,005.26 = 4,225.37 : x
2. Step 2: Convert to fraction form
   7,250.72/10,005.26 = 4,225.37/x
3. Step 3: Cross multiply
   7,250.72x = 10,005.26 × 4,225.37
4. Step 4: Simplify right side
   7,250.72x = 42,275,854.29
5. Step 5: Solve for x
   x = 42,275,854.29/7,250.72
6. Step 6: Final answer
   x = 5,830.58