Finding the Fourth Proportional to 1,891.76, 2,610.53 and 1,052.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891.76 : 2,610.53 = 1,052.43 : x
2. Step 2: Convert to fraction form
   1,891.76/2,610.53 = 1,052.43/x
3. Step 3: Cross multiply
   1,891.76x = 2,610.53 × 1,052.43
4. Step 4: Simplify right side
   1,891.76x = 2,747,388.98
5. Step 5: Solve for x
   x = 2,747,388.98/1,891.76
6. Step 6: Final answer
   x = 1,452.30