Finding the Fourth Proportional to 2,053.76, 3,077.60 and 957.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.76 : 3,077.60 = 957.83 : x
2. Step 2: Convert to fraction form
   2,053.76/3,077.60 = 957.83/x
3. Step 3: Cross multiply
   2,053.76x = 3,077.60 × 957.83
4. Step 4: Simplify right side
   2,053.76x = 2,947,797.43
5. Step 5: Solve for x
   x = 2,947,797.43/2,053.76
6. Step 6: Final answer
   x = 1,435.32