Finding the Fourth Proportional to 6,797.30, 10,196.78 and 2,415.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,797.30 : 10,196.78 = 2,415.20 : x
2. Step 2: Convert to fraction form
   6,797.30/10,196.78 = 2,415.20/x
3. Step 3: Cross multiply
   6,797.30x = 10,196.78 × 2,415.20
4. Step 4: Simplify right side
   6,797.30x = 24,627,200.00
5. Step 5: Solve for x
   x = 24,627,200.00/6,797.30
6. Step 6: Final answer
   x = 3,623.09