Finding the Fourth Proportional to 9,836.12, 13,573.88 and 5,359.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.12 : 13,573.88 = 5,359.91 : x
2. Step 2: Convert to fraction form
   9,836.12/13,573.88 = 5,359.91/x
3. Step 3: Cross multiply
   9,836.12x = 13,573.88 × 5,359.91
4. Step 4: Simplify right side
   9,836.12x = 72,754,680.48
5. Step 5: Solve for x
   x = 72,754,680.48/9,836.12
6. Step 6: Final answer
   x = 7,396.69