Finding the Fourth Proportional to 9,836.95, 13,574.81 and 5,360.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.95 : 13,574.81 = 5,360.74 : x
2. Step 2: Convert to fraction form
   9,836.95/13,574.81 = 5,360.74/x
3. Step 3: Cross multiply
   9,836.95x = 13,574.81 × 5,360.74
4. Step 4: Simplify right side
   9,836.95x = 72,770,932.28
5. Step 5: Solve for x
   x = 72,770,932.28/9,836.95
6. Step 6: Final answer
   x = 7,397.72