Finding the Fourth Proportional to 1,377.29, 1,900.82 and 957.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.29 : 1,900.82 = 957.53 : x
2. Step 2: Convert to fraction form
   1,377.29/1,900.82 = 957.53/x
3. Step 3: Cross multiply
   1,377.29x = 1,900.82 × 957.53
4. Step 4: Simplify right side
   1,377.29x = 1,820,087.39
5. Step 5: Solve for x
   x = 1,820,087.39/1,377.29
6. Step 6: Final answer
   x = 1,321.50