Finding the Fourth Proportional to 2,131.00, 3,187.24 and 1,251.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.00 : 3,187.24 = 1,251.41 : x
2. Step 2: Convert to fraction form
   2,131.00/3,187.24 = 1,251.41/x
3. Step 3: Cross multiply
   2,131.00x = 3,187.24 × 1,251.41
4. Step 4: Simplify right side
   2,131.00x = 3,988,524.94
5. Step 5: Solve for x
   x = 3,988,524.94/2,131.00
6. Step 6: Final answer
   x = 1,871.67