Finding the Fourth Proportional to 8,269.89, 11,402.37 and 7,203.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.89 : 11,402.37 = 7,203.72 : x
2. Step 2: Convert to fraction form
   8,269.89/11,402.37 = 7,203.72/x
3. Step 3: Cross multiply
   8,269.89x = 11,402.37 × 7,203.72
4. Step 4: Simplify right side
   8,269.89x = 82,139,480.82
5. Step 5: Solve for x
   x = 82,139,480.82/8,269.89
6. Step 6: Final answer
   x = 9,932.35