Finding the Fourth Proportional to 1,742.42, 2,404.50 and 956.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.42 : 2,404.50 = 956.45 : x
2. Step 2: Convert to fraction form
   1,742.42/2,404.50 = 956.45/x
3. Step 3: Cross multiply
   1,742.42x = 2,404.50 × 956.45
4. Step 4: Simplify right side
   1,742.42x = 2,299,784.03
5. Step 5: Solve for x
   x = 2,299,784.03/1,742.42
6. Step 6: Final answer
   x = 1,319.88