Finding the Fourth Proportional to 1,749.31, 2,624.55 and 709.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.31 : 2,624.55 = 709.54 : x
2. Step 2: Convert to fraction form
   1,749.31/2,624.55 = 709.54/x
3. Step 3: Cross multiply
   1,749.31x = 2,624.55 × 709.54
4. Step 4: Simplify right side
   1,749.31x = 1,862,223.21
5. Step 5: Solve for x
   x = 1,862,223.21/1,749.31
6. Step 6: Final answer
   x = 1,064.55