Finding the Fourth Proportional to 9,105.45, 13,667.89 and 3,914.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.45 : 13,667.89 = 3,914.97 : x
2. Step 2: Convert to fraction form
   9,105.45/13,667.89 = 3,914.97/x
3. Step 3: Cross multiply
   9,105.45x = 13,667.89 × 3,914.97
4. Step 4: Simplify right side
   9,105.45x = 53,509,379.31
5. Step 5: Solve for x
   x = 53,509,379.31/9,105.45
6. Step 6: Final answer
   x = 5,876.63