Finding the Fourth Proportional to 11,667.14, 17,501.61 and 5,747.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.14 : 17,501.61 = 5,747.21 : x
2. Step 2: Convert to fraction form
   11,667.14/17,501.61 = 5,747.21/x
3. Step 3: Cross multiply
   11,667.14x = 17,501.61 × 5,747.21
4. Step 4: Simplify right side
   11,667.14x = 100,585,340.50
5. Step 5: Solve for x
   x = 100,585,340.50/11,667.14
6. Step 6: Final answer
   x = 8,621.25