Finding the Fourth Proportional to 9,834.59, 13,571.61 and 5,358.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.59 : 13,571.61 = 5,358.53 : x
2. Step 2: Convert to fraction form
   9,834.59/13,571.61 = 5,358.53/x
3. Step 3: Cross multiply
   9,834.59x = 13,571.61 × 5,358.53
4. Step 4: Simplify right side
   9,834.59x = 72,723,879.33
5. Step 5: Solve for x
   x = 72,723,879.33/9,834.59
6. Step 6: Final answer
   x = 7,394.70