Finding the Fourth Proportional to 1,422.32, 2,132.41 and 958.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.32 : 2,132.41 = 958.79 : x
2. Step 2: Convert to fraction form
   1,422.32/2,132.41 = 958.79/x
3. Step 3: Cross multiply
   1,422.32x = 2,132.41 × 958.79
4. Step 4: Simplify right side
   1,422.32x = 2,044,533.38
5. Step 5: Solve for x
   x = 2,044,533.38/1,422.32
6. Step 6: Final answer
   x = 1,437.46