Finding the Fourth Proportional to 5,401.65, 8,097.69 and 2,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.65 : 8,097.69 = 2,117.10 : x
2. Step 2: Convert to fraction form
   5,401.65/8,097.69 = 2,117.10/x
3. Step 3: Cross multiply
   5,401.65x = 8,097.69 × 2,117.10
4. Step 4: Simplify right side
   5,401.65x = 17,143,619.50
5. Step 5: Solve for x
   x = 17,143,619.50/5,401.65
6. Step 6: Final answer
   x = 3,173.77