Finding the Fourth Proportional to 7,003.32, 9,665.26 and 5,231.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.32 : 9,665.26 = 5,231.85 : x
2. Step 2: Convert to fraction form
   7,003.32/9,665.26 = 5,231.85/x
3. Step 3: Cross multiply
   7,003.32x = 9,665.26 × 5,231.85
4. Step 4: Simplify right side
   7,003.32x = 50,567,141.21
5. Step 5: Solve for x
   x = 50,567,141.21/7,003.32
6. Step 6: Final answer
   x = 7,220.46