Finding the Fourth Proportional to 1,936.89, 2,672.94 and 1,052.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.89 : 2,672.94 = 1,052.71 : x
2. Step 2: Convert to fraction form
   1,936.89/2,672.94 = 1,052.71/x
3. Step 3: Cross multiply
   1,936.89x = 2,672.94 × 1,052.71
4. Step 4: Simplify right side
   1,936.89x = 2,813,830.67
5. Step 5: Solve for x
   x = 2,813,830.67/1,936.89
6. Step 6: Final answer
   x = 1,452.76