Finding the Fourth Proportional to 13,103.29, 18,082.06 and 7,134.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.29 : 18,082.06 = 7,134.81 : x
2. Step 2: Convert to fraction form
   13,103.29/18,082.06 = 7,134.81/x
3. Step 3: Cross multiply
   13,103.29x = 18,082.06 × 7,134.81
4. Step 4: Simplify right side
   13,103.29x = 129,012,062.51
5. Step 5: Solve for x
   x = 129,012,062.51/13,103.29
6. Step 6: Final answer
   x = 9,845.78