Finding the Fourth Proportional to 7,456.29, 10,290.23 and 4,472.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.29 : 10,290.23 = 4,472.07 : x
2. Step 2: Convert to fraction form
   7,456.29/10,290.23 = 4,472.07/x
3. Step 3: Cross multiply
   7,456.29x = 10,290.23 × 4,472.07
4. Step 4: Simplify right side
   7,456.29x = 46,018,606.52
5. Step 5: Solve for x
   x = 46,018,606.52/7,456.29
6. Step 6: Final answer
   x = 6,171.78