Finding the Fourth Proportional to 16,936.10, 25,401.26 and 7,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,936.10 : 25,401.26 = 7,072.72 : x
2. Step 2: Convert to fraction form
   16,936.10/25,401.26 = 7,072.72/x
3. Step 3: Cross multiply
   16,936.10x = 25,401.26 × 7,072.72
4. Step 4: Simplify right side
   16,936.10x = 179,655,999.63
5. Step 5: Solve for x
   x = 179,655,999.63/16,936.10
6. Step 6: Final answer
   x = 10,607.87