Finding the Fourth Proportional to 1,742.72, 2,404.91 and 956.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.72 : 2,404.91 = 956.75 : x
2. Step 2: Convert to fraction form
   1,742.72/2,404.91 = 956.75/x
3. Step 3: Cross multiply
   1,742.72x = 2,404.91 × 956.75
4. Step 4: Simplify right side
   1,742.72x = 2,300,888.01
5. Step 5: Solve for x
   x = 2,300,888.01/1,742.72
6. Step 6: Final answer
   x = 1,320.29