Finding the Fourth Proportional to 9,834.40, 13,571.63 and 5,358.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.40 : 13,571.63 = 5,358.15 : x
2. Step 2: Convert to fraction form
   9,834.40/13,571.63 = 5,358.15/x
3. Step 3: Cross multiply
   9,834.40x = 13,571.63 × 5,358.15
4. Step 4: Simplify right side
   9,834.40x = 72,718,835.31
5. Step 5: Solve for x
   x = 72,718,835.31/9,834.40
6. Step 6: Final answer
   x = 7,394.33