Finding the Fourth Proportional to 1,742.17, 2,404.24 and 956.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.17 : 2,404.24 = 956.22 : x
2. Step 2: Convert to fraction form
   1,742.17/2,404.24 = 956.22/x
3. Step 3: Cross multiply
   1,742.17x = 2,404.24 × 956.22
4. Step 4: Simplify right side
   1,742.17x = 2,298,982.37
5. Step 5: Solve for x
   x = 2,298,982.37/1,742.17
6. Step 6: Final answer
   x = 1,319.61