Finding the Fourth Proportional to 13,093.16, 19,642.86 and 3,859.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093.16 : 19,642.86 = 3,859.16 : x
2. Step 2: Convert to fraction form
   13,093.16/19,642.86 = 3,859.16/x
3. Step 3: Cross multiply
   13,093.16x = 19,642.86 × 3,859.16
4. Step 4: Simplify right side
   13,093.16x = 75,804,939.60
5. Step 5: Solve for x
   x = 75,804,939.60/13,093.16
6. Step 6: Final answer
   x = 5,789.66