Finding the Fourth Proportional to 1,004.16, 1,498.05 and 957.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.16 : 1,498.05 = 957.72 : x
2. Step 2: Convert to fraction form
   1,004.16/1,498.05 = 957.72/x
3. Step 3: Cross multiply
   1,004.16x = 1,498.05 × 957.72
4. Step 4: Simplify right side
   1,004.16x = 1,434,712.45
5. Step 5: Solve for x
   x = 1,434,712.45/1,004.16
6. Step 6: Final answer
   x = 1,428.77