Finding the Fourth Proportional to 1,742.36, 2,404.50 and 956.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.36 : 2,404.50 = 956.42 : x
2. Step 2: Convert to fraction form
   1,742.36/2,404.50 = 956.42/x
3. Step 3: Cross multiply
   1,742.36x = 2,404.50 × 956.42
4. Step 4: Simplify right side
   1,742.36x = 2,299,711.89
5. Step 5: Solve for x
   x = 2,299,711.89/1,742.36
6. Step 6: Final answer
   x = 1,319.88