Finding the Fourth Proportional to 2,517.84, 3,775.86 and 957.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.84 : 3,775.86 = 957.43 : x
2. Step 2: Convert to fraction form
   2,517.84/3,775.86 = 957.43/x
3. Step 3: Cross multiply
   2,517.84x = 3,775.86 × 957.43
4. Step 4: Simplify right side
   2,517.84x = 3,615,102.76
5. Step 5: Solve for x
   x = 3,615,102.76/2,517.84
6. Step 6: Final answer
   x = 1,435.80