Finding the Fourth Proportional to 9,834.32, 13,571.42 and 5,357.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.32 : 13,571.42 = 5,357.97 : x
2. Step 2: Convert to fraction form
   9,834.32/13,571.42 = 5,357.97/x
3. Step 3: Cross multiply
   9,834.32x = 13,571.42 × 5,357.97
4. Step 4: Simplify right side
   9,834.32x = 72,715,234.43
5. Step 5: Solve for x
   x = 72,715,234.43/9,834.32
6. Step 6: Final answer
   x = 7,394.03