Finding the Fourth Proportional to 17,456.54, 26,058.12 and 16,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456.54 : 26,058.12 = 16,155.56 : x
2. Step 2: Convert to fraction form
   17,456.54/26,058.12 = 16,155.56/x
3. Step 3: Cross multiply
   17,456.54x = 26,058.12 × 16,155.56
4. Step 4: Simplify right side
   17,456.54x = 420,983,521.15
5. Step 5: Solve for x
   x = 420,983,521.15/17,456.54
6. Step 6: Final answer
   x = 24,116.09