Finding the Fourth Proportional to 13,082.82, 18,054.39 and 7,114.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.82 : 18,054.39 = 7,114.43 : x
2. Step 2: Convert to fraction form
   13,082.82/18,054.39 = 7,114.43/x
3. Step 3: Cross multiply
   13,082.82x = 18,054.39 × 7,114.43
4. Step 4: Simplify right side
   13,082.82x = 128,446,765.66
5. Step 5: Solve for x
   x = 128,446,765.66/13,082.82
6. Step 6: Final answer
   x = 9,817.98