Finding the Fourth Proportional to 13,255.29, 19,886.10 and 3,895.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,255.29 : 19,886.10 = 3,895.10 : x
2. Step 2: Convert to fraction form
   13,255.29/19,886.10 = 3,895.10/x
3. Step 3: Cross multiply
   13,255.29x = 19,886.10 × 3,895.10
4. Step 4: Simplify right side
   13,255.29x = 77,458,355.78
5. Step 5: Solve for x
   x = 77,458,355.78/13,255.29
6. Step 6: Final answer
   x = 5,843.58