Finding the Fourth Proportional to 8,677.89, 13,016.72 and 2,104.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,677.89 : 13,016.72 = 2,104.14 : x
2. Step 2: Convert to fraction form
   8,677.89/13,016.72 = 2,104.14/x
3. Step 3: Cross multiply
   8,677.89x = 13,016.72 × 2,104.14
4. Step 4: Simplify right side
   8,677.89x = 27,388,936.14
5. Step 5: Solve for x
   x = 27,388,936.14/8,677.89
6. Step 6: Final answer
   x = 3,156.17