Finding the Fourth Proportional to 1,742.50, 2,404.65 and 956.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.50 : 2,404.65 = 956.55 : x
2. Step 2: Convert to fraction form
   1,742.50/2,404.65 = 956.55/x
3. Step 3: Cross multiply
   1,742.50x = 2,404.65 × 956.55
4. Step 4: Simplify right side
   1,742.50x = 2,300,167.96
5. Step 5: Solve for x
   x = 2,300,167.96/1,742.50
6. Step 6: Final answer
   x = 1,320.04