Finding the Fourth Proportional to 17,258.76, 25,887.96 and 5,571.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,258.76 : 25,887.96 = 5,571.72 : x
2. Step 2: Convert to fraction form
   17,258.76/25,887.96 = 5,571.72/x
3. Step 3: Cross multiply
   17,258.76x = 25,887.96 × 5,571.72
4. Step 4: Simplify right side
   17,258.76x = 144,240,464.49
5. Step 5: Solve for x
   x = 144,240,464.49/17,258.76
6. Step 6: Final answer
   x = 8,357.52