Finding the Fourth Proportional to 17,185.82, 25,742.91 and 13,836.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,185.82 : 25,742.91 = 13,836.02 : x
2. Step 2: Convert to fraction form
   17,185.82/25,742.91 = 13,836.02/x
3. Step 3: Cross multiply
   17,185.82x = 25,742.91 × 13,836.02
4. Step 4: Simplify right side
   17,185.82x = 356,179,417.62
5. Step 5: Solve for x
   x = 356,179,417.62/17,185.82
6. Step 6: Final answer
   x = 20,725.19