Finding the Fourth Proportional to 3,108.89, 4,661.73 and 1,259.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,108.89 : 4,661.73 = 1,259.51 : x
2. Step 2: Convert to fraction form
   3,108.89/4,661.73 = 1,259.51/x
3. Step 3: Cross multiply
   3,108.89x = 4,661.73 × 1,259.51
4. Step 4: Simplify right side
   3,108.89x = 5,871,472.24
5. Step 5: Solve for x
   x = 5,871,472.24/3,108.89
6. Step 6: Final answer
   x = 1,888.61