Finding the Fourth Proportional to 17,256.54, 25,889.67 and 5,570.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,256.54 : 25,889.67 = 5,570.70 : x
2. Step 2: Convert to fraction form
   17,256.54/25,889.67 = 5,570.70/x
3. Step 3: Cross multiply
   17,256.54x = 25,889.67 × 5,570.70
4. Step 4: Simplify right side
   17,256.54x = 144,223,584.67
5. Step 5: Solve for x
   x = 144,223,584.67/17,256.54
6. Step 6: Final answer
   x = 8,357.62