Finding the Fourth Proportional to 1,742.73, 2,404.87 and 956.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.73 : 2,404.87 = 956.76 : x
2. Step 2: Convert to fraction form
   1,742.73/2,404.87 = 956.76/x
3. Step 3: Cross multiply
   1,742.73x = 2,404.87 × 956.76
4. Step 4: Simplify right side
   1,742.73x = 2,300,883.42
5. Step 5: Solve for x
   x = 2,300,883.42/1,742.73
6. Step 6: Final answer
   x = 1,320.28