Finding the Fourth Proportional to 1,742.42, 2,404.53 and 956.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.42 : 2,404.53 = 956.47 : x
2. Step 2: Convert to fraction form
   1,742.42/2,404.53 = 956.47/x
3. Step 3: Cross multiply
   1,742.42x = 2,404.53 × 956.47
4. Step 4: Simplify right side
   1,742.42x = 2,299,860.81
5. Step 5: Solve for x
   x = 2,299,860.81/1,742.42
6. Step 6: Final answer
   x = 1,319.92