Finding the Fourth Proportional to 17,137.12, 25,705.00 and 5,290.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,137.12 : 25,705.00 = 5,290.41 : x
2. Step 2: Convert to fraction form
   17,137.12/25,705.00 = 5,290.41/x
3. Step 3: Cross multiply
   17,137.12x = 25,705.00 × 5,290.41
4. Step 4: Simplify right side
   17,137.12x = 135,990,062.30
5. Step 5: Solve for x
   x = 135,990,062.30/17,137.12
6. Step 6: Final answer
   x = 7,935.41