Finding the Fourth Proportional to 1,767.09, 2,650.71 and 671.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.09 : 2,650.71 = 671.52 : x
2. Step 2: Convert to fraction form
   1,767.09/2,650.71 = 671.52/x
3. Step 3: Cross multiply
   1,767.09x = 2,650.71 × 671.52
4. Step 4: Simplify right side
   1,767.09x = 1,780,004.78
5. Step 5: Solve for x
   x = 1,780,004.78/1,767.09
6. Step 6: Final answer
   x = 1,007.31