Finding the Fourth Proportional to 1,166.68, 1,749.98 and 679.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.68 : 1,749.98 = 679.37 : x
2. Step 2: Convert to fraction form
   1,166.68/1,749.98 = 679.37/x
3. Step 3: Cross multiply
   1,166.68x = 1,749.98 × 679.37
4. Step 4: Simplify right side
   1,166.68x = 1,188,876.86
5. Step 5: Solve for x
   x = 1,188,876.86/1,166.68
6. Step 6: Final answer
   x = 1,019.02