Finding the Fourth Proportional to 17,118.72, 23,622.48 and 9,947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,118.72 : 23,622.48 = 9,947.52 : x
2. Step 2: Convert to fraction form
   17,118.72/23,622.48 = 9,947.52/x
3. Step 3: Cross multiply
   17,118.72x = 23,622.48 × 9,947.52
4. Step 4: Simplify right side
   17,118.72x = 234,985,092.25
5. Step 5: Solve for x
   x = 234,985,092.25/17,118.72
6. Step 6: Final answer
   x = 13,726.79