Finding the Fourth Proportional to 1,742.65, 2,404.89 and 996.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.65 : 2,404.89 = 996.67 : x
2. Step 2: Convert to fraction form
   1,742.65/2,404.89 = 996.67/x
3. Step 3: Cross multiply
   1,742.65x = 2,404.89 × 996.67
4. Step 4: Simplify right side
   1,742.65x = 2,396,876.73
5. Step 5: Solve for x
   x = 2,396,876.73/1,742.65
6. Step 6: Final answer
   x = 1,375.42