Finding the Fourth Proportional to 16,895.58, 23,315.17 and 9,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,895.58 : 23,315.17 = 9,238.72 : x
2. Step 2: Convert to fraction form
   16,895.58/23,315.17 = 9,238.72/x
3. Step 3: Cross multiply
   16,895.58x = 23,315.17 × 9,238.72
4. Step 4: Simplify right side
   16,895.58x = 215,402,327.38
5. Step 5: Solve for x
   x = 215,402,327.38/16,895.58
6. Step 6: Final answer
   x = 12,749.03