Finding the Fourth Proportional to 2,399.00, 3,308.75 and 1,559.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.00 : 3,308.75 = 1,559.98 : x
2. Step 2: Convert to fraction form
   2,399.00/3,308.75 = 1,559.98/x
3. Step 3: Cross multiply
   2,399.00x = 3,308.75 × 1,559.98
4. Step 4: Simplify right side
   2,399.00x = 5,161,567.75
5. Step 5: Solve for x
   x = 5,161,567.75/2,399.00
6. Step 6: Final answer
   x = 2,151.55