Finding the Fourth Proportional to 1,700.76, 2,544.21 and 1,286.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.76 : 2,544.21 = 1,286.82 : x
2. Step 2: Convert to fraction form
   1,700.76/2,544.21 = 1,286.82/x
3. Step 3: Cross multiply
   1,700.76x = 2,544.21 × 1,286.82
4. Step 4: Simplify right side
   1,700.76x = 3,273,940.31
5. Step 5: Solve for x
   x = 3,273,940.31/1,700.76
6. Step 6: Final answer
   x = 1,924.99