Finding the Fourth Proportional to 2,756.62, 4,131.69 and 1,783.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.62 : 4,131.69 = 1,783.27 : x
2. Step 2: Convert to fraction form
   2,756.62/4,131.69 = 1,783.27/x
3. Step 3: Cross multiply
   2,756.62x = 4,131.69 × 1,783.27
4. Step 4: Simplify right side
   2,756.62x = 7,367,918.83
5. Step 5: Solve for x
   x = 7,367,918.83/2,756.62
6. Step 6: Final answer
   x = 2,672.81