Finding the Fourth Proportional to 13,330.96, 18,397.81 and 7,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,330.96 : 18,397.81 = 7,667.54 : x
2. Step 2: Convert to fraction form
   13,330.96/18,397.81 = 7,667.54/x
3. Step 3: Cross multiply
   13,330.96x = 18,397.81 × 7,667.54
4. Step 4: Simplify right side
   13,330.96x = 141,065,944.09
5. Step 5: Solve for x
   x = 141,065,944.09/13,330.96
6. Step 6: Final answer
   x = 10,581.83