Finding the Fourth Proportional to 6,909.52, 9,538.01 and 5,231.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,909.52 : 9,538.01 = 5,231.41 : x
2. Step 2: Convert to fraction form
   6,909.52/9,538.01 = 5,231.41/x
3. Step 3: Cross multiply
   6,909.52x = 9,538.01 × 5,231.41
4. Step 4: Simplify right side
   6,909.52x = 49,897,240.89
5. Step 5: Solve for x
   x = 49,897,240.89/6,909.52
6. Step 6: Final answer
   x = 7,221.52