Finding the Fourth Proportional to 1,308.79, 1,805.92 and 741.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.79 : 1,805.92 = 741.67 : x
2. Step 2: Convert to fraction form
   1,308.79/1,805.92 = 741.67/x
3. Step 3: Cross multiply
   1,308.79x = 1,805.92 × 741.67
4. Step 4: Simplify right side
   1,308.79x = 1,339,396.69
5. Step 5: Solve for x
   x = 1,339,396.69/1,308.79
6. Step 6: Final answer
   x = 1,023.39