Finding the Fourth Proportional to 17,056.71, 25,608.98 and 8,742.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,056.71 : 25,608.98 = 8,742.69 : x
2. Step 2: Convert to fraction form
   17,056.71/25,608.98 = 8,742.69/x
3. Step 3: Cross multiply
   17,056.71x = 25,608.98 × 8,742.69
4. Step 4: Simplify right side
   17,056.71x = 223,891,329.64
5. Step 5: Solve for x
   x = 223,891,329.64/17,056.71
6. Step 6: Final answer
   x = 13,126.29