Finding the Fourth Proportional to 1,747.72, 2,620.56 and 708.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.72 : 2,620.56 = 708.22 : x
2. Step 2: Convert to fraction form
   1,747.72/2,620.56 = 708.22/x
3. Step 3: Cross multiply
   1,747.72x = 2,620.56 × 708.22
4. Step 4: Simplify right side
   1,747.72x = 1,855,933.00
5. Step 5: Solve for x
   x = 1,855,933.00/1,747.72
6. Step 6: Final answer
   x = 1,061.92