Finding the Fourth Proportional to 1,742.22, 2,404.42 and 956.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.22 : 2,404.42 = 956.42 : x
2. Step 2: Convert to fraction form
   1,742.22/2,404.42 = 956.42/x
3. Step 3: Cross multiply
   1,742.22x = 2,404.42 × 956.42
4. Step 4: Simplify right side
   1,742.22x = 2,299,635.38
5. Step 5: Solve for x
   x = 2,299,635.38/1,742.22
6. Step 6: Final answer
   x = 1,319.95