Finding the Fourth Proportional to 9,836.76, 13,574.56 and 5,360.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.76 : 13,574.56 = 5,360.54 : x
2. Step 2: Convert to fraction form
   9,836.76/13,574.56 = 5,360.54/x
3. Step 3: Cross multiply
   9,836.76x = 13,574.56 × 5,360.54
4. Step 4: Simplify right side
   9,836.76x = 72,766,971.86
5. Step 5: Solve for x
   x = 72,766,971.86/9,836.76
6. Step 6: Final answer
   x = 7,397.45