Finding the Fourth Proportional to 17,942.72, 27,082.59 and 17,942.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,942.72 : 27,082.59 = 17,942.72 : x
2. Step 2: Convert to fraction form
   17,942.72/27,082.59 = 17,942.72/x
3. Step 3: Cross multiply
   17,942.72x = 27,082.59 × 17,942.72
4. Step 4: Simplify right side
   17,942.72x = 485,935,126.55
5. Step 5: Solve for x
   x = 485,935,126.55/17,942.72
6. Step 6: Final answer
   x = 27,082.59