Finding the Fourth Proportional to 1,742.31, 2,404.40 and 956.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.31 : 2,404.40 = 956.37 : x
2. Step 2: Convert to fraction form
   1,742.31/2,404.40 = 956.37/x
3. Step 3: Cross multiply
   1,742.31x = 2,404.40 × 956.37
4. Step 4: Simplify right side
   1,742.31x = 2,299,496.03
5. Step 5: Solve for x
   x = 2,299,496.03/1,742.31
6. Step 6: Final answer
   x = 1,319.80