Finding the Fourth Proportional to 16,935.10, 25,399.76 and 7,071.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,935.10 : 25,399.76 = 7,071.72 : x
2. Step 2: Convert to fraction form
   16,935.10/25,399.76 = 7,071.72/x
3. Step 3: Cross multiply
   16,935.10x = 25,399.76 × 7,071.72
4. Step 4: Simplify right side
   16,935.10x = 179,619,990.79
5. Step 5: Solve for x
   x = 179,619,990.79/16,935.10
6. Step 6: Final answer
   x = 10,606.37