Finding the Fourth Proportional to 9,834.58, 13,571.30 and 5,358.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.58 : 13,571.30 = 5,358.37 : x
2. Step 2: Convert to fraction form
   9,834.58/13,571.30 = 5,358.37/x
3. Step 3: Cross multiply
   9,834.58x = 13,571.30 × 5,358.37
4. Step 4: Simplify right side
   9,834.58x = 72,719,986.06
5. Step 5: Solve for x
   x = 72,719,986.06/9,834.58
6. Step 6: Final answer
   x = 7,394.31