Finding the Fourth Proportional to 1,742.17, 2,404.13 and 956.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.17 : 2,404.13 = 956.17 : x
2. Step 2: Convert to fraction form
   1,742.17/2,404.13 = 956.17/x
3. Step 3: Cross multiply
   1,742.17x = 2,404.13 × 956.17
4. Step 4: Simplify right side
   1,742.17x = 2,298,756.98
5. Step 5: Solve for x
   x = 2,298,756.98/1,742.17
6. Step 6: Final answer
   x = 1,319.48