Finding the Fourth Proportional to 17,126.10, 25,688.79 and 7,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,126.10 : 25,688.79 = 7,892.10 : x
2. Step 2: Convert to fraction form
   17,126.10/25,688.79 = 7,892.10/x
3. Step 3: Cross multiply
   17,126.10x = 25,688.79 × 7,892.10
4. Step 4: Simplify right side
   17,126.10x = 202,738,499.56
5. Step 5: Solve for x
   x = 202,738,499.56/17,126.10
6. Step 6: Final answer
   x = 11,837.98