Finding the Fourth Proportional to 1,936.78, 2,672.77 and 1,052.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.78 : 2,672.77 = 1,052.59 : x
2. Step 2: Convert to fraction form
   1,936.78/2,672.77 = 1,052.59/x
3. Step 3: Cross multiply
   1,936.78x = 2,672.77 × 1,052.59
4. Step 4: Simplify right side
   1,936.78x = 2,813,328.34
5. Step 5: Solve for x
   x = 2,813,328.34/1,936.78
6. Step 6: Final answer
   x = 1,452.58