Finding the Fourth Proportional to 1,742.34, 2,404.38 and 956.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.34 : 2,404.38 = 956.38 : x
2. Step 2: Convert to fraction form
   1,742.34/2,404.38 = 956.38/x
3. Step 3: Cross multiply
   1,742.34x = 2,404.38 × 956.38
4. Step 4: Simplify right side
   1,742.34x = 2,299,500.94
5. Step 5: Solve for x
   x = 2,299,500.94/1,742.34
6. Step 6: Final answer
   x = 1,319.78