Finding the Fourth Proportional to 9,836.30, 13,574.18 and 5,360.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.30 : 13,574.18 = 5,360.18 : x
2. Step 2: Convert to fraction form
   9,836.30/13,574.18 = 5,360.18/x
3. Step 3: Cross multiply
   9,836.30x = 13,574.18 × 5,360.18
4. Step 4: Simplify right side
   9,836.30x = 72,759,993.68
5. Step 5: Solve for x
   x = 72,759,993.68/9,836.30
6. Step 6: Final answer
   x = 7,397.09