Finding the Fourth Proportional to 12,814.56, 17,688.24 and 9,082.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,814.56 : 17,688.24 = 9,082.08 : x
2. Step 2: Convert to fraction form
   12,814.56/17,688.24 = 9,082.08/x
3. Step 3: Cross multiply
   12,814.56x = 17,688.24 × 9,082.08
4. Step 4: Simplify right side
   12,814.56x = 160,646,010.74
5. Step 5: Solve for x
   x = 160,646,010.74/12,814.56
6. Step 6: Final answer
   x = 12,536.21