Finding the Fourth Proportional to 13,105.59, 19,653.63 and 5,708.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.59 : 19,653.63 = 5,708.26 : x
2. Step 2: Convert to fraction form
   13,105.59/19,653.63 = 5,708.26/x
3. Step 3: Cross multiply
   13,105.59x = 19,653.63 × 5,708.26
4. Step 4: Simplify right side
   13,105.59x = 112,188,029.98
5. Step 5: Solve for x
   x = 112,188,029.98/13,105.59
6. Step 6: Final answer
   x = 8,560.32