Finding the Fourth Proportional to 9,834.94, 13,572.18 and 5,358.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.94 : 13,572.18 = 5,358.68 : x
2. Step 2: Convert to fraction form
   9,834.94/13,572.18 = 5,358.68/x
3. Step 3: Cross multiply
   9,834.94x = 13,572.18 × 5,358.68
4. Step 4: Simplify right side
   9,834.94x = 72,728,969.52
5. Step 5: Solve for x
   x = 72,728,969.52/9,834.94
6. Step 6: Final answer
   x = 7,394.96