Finding the Fourth Proportional to 17,223.56, 25,826.35 and 6,128.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,223.56 : 25,826.35 = 6,128.63 : x
2. Step 2: Convert to fraction form
   17,223.56/25,826.35 = 6,128.63/x
3. Step 3: Cross multiply
   17,223.56x = 25,826.35 × 6,128.63
4. Step 4: Simplify right side
   17,223.56x = 158,280,143.40
5. Step 5: Solve for x
   x = 158,280,143.40/17,223.56
6. Step 6: Final answer
   x = 9,189.75