Finding the Fourth Proportional to 17,066.21, 25,580.82 and 8,734.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,066.21 : 25,580.82 = 8,734.80 : x
2. Step 2: Convert to fraction form
   17,066.21/25,580.82 = 8,734.80/x
3. Step 3: Cross multiply
   17,066.21x = 25,580.82 × 8,734.80
4. Step 4: Simplify right side
   17,066.21x = 223,443,450.65
5. Step 5: Solve for x
   x = 223,443,450.65/17,066.21
6. Step 6: Final answer
   x = 13,092.74