Finding the Fourth Proportional to 9,836.11, 13,573.98 and 5,359.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.11 : 13,573.98 = 5,359.86 : x
2. Step 2: Convert to fraction form
   9,836.11/13,573.98 = 5,359.86/x
3. Step 3: Cross multiply
   9,836.11x = 13,573.98 × 5,359.86
4. Step 4: Simplify right side
   9,836.11x = 72,754,564.57
5. Step 5: Solve for x
   x = 72,754,564.57/9,836.11
6. Step 6: Final answer
   x = 7,396.68