Finding the Fourth Proportional to 1,938.33, 2,674.89 and 1,054.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.33 : 2,674.89 = 1,054.14 : x
2. Step 2: Convert to fraction form
   1,938.33/2,674.89 = 1,054.14/x
3. Step 3: Cross multiply
   1,938.33x = 2,674.89 × 1,054.14
4. Step 4: Simplify right side
   1,938.33x = 2,819,708.54
5. Step 5: Solve for x
   x = 2,819,708.54/1,938.33
6. Step 6: Final answer
   x = 1,454.71