Finding the Fourth Proportional to 5,815.69, 8,718.42 and 2,308.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815.69 : 8,718.42 = 2,308.16 : x
2. Step 2: Convert to fraction form
   5,815.69/8,718.42 = 2,308.16/x
3. Step 3: Cross multiply
   5,815.69x = 8,718.42 × 2,308.16
4. Step 4: Simplify right side
   5,815.69x = 20,123,525.78
5. Step 5: Solve for x
   x = 20,123,525.78/5,815.69
6. Step 6: Final answer
   x = 3,460.21