Finding the Fourth Proportional to 1,767.27, 2,651.00 and 671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.27 : 2,651.00 = 671.72 : x
2. Step 2: Convert to fraction form
   1,767.27/2,651.00 = 671.72/x
3. Step 3: Cross multiply
   1,767.27x = 2,651.00 × 671.72
4. Step 4: Simplify right side
   1,767.27x = 1,780,728.02
5. Step 5: Solve for x
   x = 1,780,728.02/1,767.27
6. Step 6: Final answer
   x = 1,007.61