Finding the Fourth Proportional to 9,834.68, 13,571.50 and 5,358.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.68 : 13,571.50 = 5,358.34 : x
2. Step 2: Convert to fraction form
   9,834.68/13,571.50 = 5,358.34/x
3. Step 3: Cross multiply
   9,834.68x = 13,571.50 × 5,358.34
4. Step 4: Simplify right side
   9,834.68x = 72,720,711.31
5. Step 5: Solve for x
   x = 72,720,711.31/9,834.68
6. Step 6: Final answer
   x = 7,394.31