Finding the Fourth Proportional to 1,710.72, 2,566.22 and 671.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.72 : 2,566.22 = 671.00 : x
2. Step 2: Convert to fraction form
   1,710.72/2,566.22 = 671.00/x
3. Step 3: Cross multiply
   1,710.72x = 2,566.22 × 671.00
4. Step 4: Simplify right side
   1,710.72x = 1,721,917.43
5. Step 5: Solve for x
   x = 1,721,917.43/1,710.72
6. Step 6: Final answer
   x = 1,006.55