Finding the Fourth Proportional to 12,008.28, 18,014.34 and 5,082.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.28 : 18,014.34 = 5,082.84 : x
2. Step 2: Convert to fraction form
   12,008.28/18,014.34 = 5,082.84/x
3. Step 3: Cross multiply
   12,008.28x = 18,014.34 × 5,082.84
4. Step 4: Simplify right side
   12,008.28x = 91,564,007.93
5. Step 5: Solve for x
   x = 91,564,007.93/12,008.28
6. Step 6: Final answer
   x = 7,625.07