Finding the Fourth Proportional to 1,748.57, 2,621.82 and 708.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.57 : 2,621.82 = 708.04 : x
2. Step 2: Convert to fraction form
   1,748.57/2,621.82 = 708.04/x
3. Step 3: Cross multiply
   1,748.57x = 2,621.82 × 708.04
4. Step 4: Simplify right side
   1,748.57x = 1,856,355.38
5. Step 5: Solve for x
   x = 1,856,355.38/1,748.57
6. Step 6: Final answer
   x = 1,061.64