Finding the Fourth Proportional to 13,258.69, 19,885.24 and 3,896.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258.69 : 19,885.24 = 3,896.17 : x
2. Step 2: Convert to fraction form
   13,258.69/19,885.24 = 3,896.17/x
3. Step 3: Cross multiply
   13,258.69x = 19,885.24 × 3,896.17
4. Step 4: Simplify right side
   13,258.69x = 77,476,286.62
5. Step 5: Solve for x
   x = 77,476,286.62/13,258.69
6. Step 6: Final answer
   x = 5,843.43