Finding the Fourth Proportional to 1,451.78, 2,176.27 and 958.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.78 : 2,176.27 = 958.56 : x
2. Step 2: Convert to fraction form
   1,451.78/2,176.27 = 958.56/x
3. Step 3: Cross multiply
   1,451.78x = 2,176.27 × 958.56
4. Step 4: Simplify right side
   1,451.78x = 2,086,085.37
5. Step 5: Solve for x
   x = 2,086,085.37/1,451.78
6. Step 6: Final answer
   x = 1,436.92