Finding the Fourth Proportional to 1,742.45, 2,404.22 and 996.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.45 : 2,404.22 = 996.65 : x
2. Step 2: Convert to fraction form
   1,742.45/2,404.22 = 996.65/x
3. Step 3: Cross multiply
   1,742.45x = 2,404.22 × 996.65
4. Step 4: Simplify right side
   1,742.45x = 2,396,165.86
5. Step 5: Solve for x
   x = 2,396,165.86/1,742.45
6. Step 6: Final answer
   x = 1,375.17