Finding the Fourth Proportional to 17,222.28, 25,827.34 and 5,531.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,222.28 : 25,827.34 = 5,531.55 : x
2. Step 2: Convert to fraction form
   17,222.28/25,827.34 = 5,531.55/x
3. Step 3: Cross multiply
   17,222.28x = 25,827.34 × 5,531.55
4. Step 4: Simplify right side
   17,222.28x = 142,865,222.58
5. Step 5: Solve for x
   x = 142,865,222.58/17,222.28
6. Step 6: Final answer
   x = 8,295.37