Finding the Fourth Proportional to 1,742.51, 2,404.67 and 956.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.51 : 2,404.67 = 956.60 : x
2. Step 2: Convert to fraction form
   1,742.51/2,404.67 = 956.60/x
3. Step 3: Cross multiply
   1,742.51x = 2,404.67 × 956.60
4. Step 4: Simplify right side
   1,742.51x = 2,300,307.32
5. Step 5: Solve for x
   x = 2,300,307.32/1,742.51
6. Step 6: Final answer
   x = 1,320.11