Finding the Fourth Proportional to 1,891.38, 2,610.51 and 1,052.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891.38 : 2,610.51 = 1,052.37 : x
2. Step 2: Convert to fraction form
   1,891.38/2,610.51 = 1,052.37/x
3. Step 3: Cross multiply
   1,891.38x = 2,610.51 × 1,052.37
4. Step 4: Simplify right side
   1,891.38x = 2,747,222.41
5. Step 5: Solve for x
   x = 2,747,222.41/1,891.38
6. Step 6: Final answer
   x = 1,452.50