Finding the Fourth Proportional to 2,052.51, 3,067.87 and 1,786.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.51 : 3,067.87 = 1,786.90 : x
2. Step 2: Convert to fraction form
   2,052.51/3,067.87 = 1,786.90/x
3. Step 3: Cross multiply
   2,052.51x = 3,067.87 × 1,786.90
4. Step 4: Simplify right side
   2,052.51x = 5,481,976.90
5. Step 5: Solve for x
   x = 5,481,976.90/2,052.51
6. Step 6: Final answer
   x = 2,670.86