Finding the Fourth Proportional to 9,834.54, 13,571.59 and 5,358.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.54 : 13,571.59 = 5,358.29 : x
2. Step 2: Convert to fraction form
   9,834.54/13,571.59 = 5,358.29/x
3. Step 3: Cross multiply
   9,834.54x = 13,571.59 × 5,358.29
4. Step 4: Simplify right side
   9,834.54x = 72,720,514.98
5. Step 5: Solve for x
   x = 72,720,514.98/9,834.54
6. Step 6: Final answer
   x = 7,394.40