Finding the Fourth Proportional to 9,834.72, 13,571.58 and 5,358.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.72 : 13,571.58 = 5,358.42 : x
2. Step 2: Convert to fraction form
   9,834.72/13,571.58 = 5,358.42/x
3. Step 3: Cross multiply
   9,834.72x = 13,571.58 × 5,358.42
4. Step 4: Simplify right side
   9,834.72x = 72,722,225.70
5. Step 5: Solve for x
   x = 72,722,225.70/9,834.72
6. Step 6: Final answer
   x = 7,394.44