Finding the Fourth Proportional to 9,836.55, 13,574.32 and 5,360.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.55 : 13,574.32 = 5,360.20 : x
2. Step 2: Convert to fraction form
   9,836.55/13,574.32 = 5,360.20/x
3. Step 3: Cross multiply
   9,836.55x = 13,574.32 × 5,360.20
4. Step 4: Simplify right side
   9,836.55x = 72,761,022.73
5. Step 5: Solve for x
   x = 72,761,022.73/9,836.55
6. Step 6: Final answer
   x = 7,397.01