Finding the Fourth Proportional to 1,480.71, 2,042.50 and 957.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.71 : 2,042.50 = 957.05 : x
2. Step 2: Convert to fraction form
   1,480.71/2,042.50 = 957.05/x
3. Step 3: Cross multiply
   1,480.71x = 2,042.50 × 957.05
4. Step 4: Simplify right side
   1,480.71x = 1,954,774.63
5. Step 5: Solve for x
   x = 1,954,774.63/1,480.71
6. Step 6: Final answer
   x = 1,320.16