Finding the Fourth Proportional to 12,667.96, 17,487.66 and 7,360.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.96 : 17,487.66 = 7,360.84 : x
2. Step 2: Convert to fraction form
   12,667.96/17,487.66 = 7,360.84/x
3. Step 3: Cross multiply
   12,667.96x = 17,487.66 × 7,360.84
4. Step 4: Simplify right side
   12,667.96x = 128,723,867.23
5. Step 5: Solve for x
   x = 128,723,867.23/12,667.96
6. Step 6: Final answer
   x = 10,161.37