Finding the Fourth Proportional to 9,836.35, 13,574.23 and 5,360.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.35 : 13,574.23 = 5,360.09 : x
2. Step 2: Convert to fraction form
   9,836.35/13,574.23 = 5,360.09/x
3. Step 3: Cross multiply
   9,836.35x = 13,574.23 × 5,360.09
4. Step 4: Simplify right side
   9,836.35x = 72,759,119.71
5. Step 5: Solve for x
   x = 72,759,119.71/9,836.35
6. Step 6: Final answer
   x = 7,396.96