Finding the Fourth Proportional to 1,480.58, 2,042.52 and 956.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.58 : 2,042.52 = 956.78 : x
2. Step 2: Convert to fraction form
   1,480.58/2,042.52 = 956.78/x
3. Step 3: Cross multiply
   1,480.58x = 2,042.52 × 956.78
4. Step 4: Simplify right side
   1,480.58x = 1,954,242.29
5. Step 5: Solve for x
   x = 1,954,242.29/1,480.58
6. Step 6: Final answer
   x = 1,319.92