Finding the Fourth Proportional to 13,082.13, 18,053.68 and 7,114.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.13 : 18,053.68 = 7,114.15 : x
2. Step 2: Convert to fraction form
   13,082.13/18,053.68 = 7,114.15/x
3. Step 3: Cross multiply
   13,082.13x = 18,053.68 × 7,114.15
4. Step 4: Simplify right side
   13,082.13x = 128,436,587.57
5. Step 5: Solve for x
   x = 128,436,587.57/13,082.13
6. Step 6: Final answer
   x = 9,817.71