Finding the Fourth Proportional to 9,834.10, 13,571.09 and 5,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.10 : 13,571.09 = 5,357.89 : x
2. Step 2: Convert to fraction form
   9,834.10/13,571.09 = 5,357.89/x
3. Step 3: Cross multiply
   9,834.10x = 13,571.09 × 5,357.89
4. Step 4: Simplify right side
   9,834.10x = 72,712,407.40
5. Step 5: Solve for x
   x = 72,712,407.40/9,834.10
6. Step 6: Final answer
   x = 7,393.91