Finding the Fourth Proportional to 13,098.25, 19,651.16 and 3,864.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,098.25 : 19,651.16 = 3,864.25 : x
2. Step 2: Convert to fraction form
   13,098.25/19,651.16 = 3,864.25/x
3. Step 3: Cross multiply
   13,098.25x = 19,651.16 × 3,864.25
4. Step 4: Simplify right side
   13,098.25x = 75,936,995.03
5. Step 5: Solve for x
   x = 75,936,995.03/13,098.25
6. Step 6: Final answer
   x = 5,797.49