Finding the Fourth Proportional to 17,072.25, 23,553.18 and 12,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,072.25 : 23,553.18 = 12,606.72 : x
2. Step 2: Convert to fraction form
   17,072.25/23,553.18 = 12,606.72/x
3. Step 3: Cross multiply
   17,072.25x = 23,553.18 × 12,606.72
4. Step 4: Simplify right side
   17,072.25x = 296,928,345.37
5. Step 5: Solve for x
   x = 296,928,345.37/17,072.25
6. Step 6: Final answer
   x = 17,392.46