Finding the Fourth Proportional to 2,308.01, 3,183.87 and 1,561.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.01 : 3,183.87 = 1,561.69 : x
2. Step 2: Convert to fraction form
   2,308.01/3,183.87 = 1,561.69/x
3. Step 3: Cross multiply
   2,308.01x = 3,183.87 × 1,561.69
4. Step 4: Simplify right side
   2,308.01x = 4,972,227.78
5. Step 5: Solve for x
   x = 4,972,227.78/2,308.01
6. Step 6: Final answer
   x = 2,154.34