Finding the Fourth Proportional to 1,782.41, 2,458.56 and 1,143.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.41 : 2,458.56 = 1,143.34 : x
2. Step 2: Convert to fraction form
   1,782.41/2,458.56 = 1,143.34/x
3. Step 3: Cross multiply
   1,782.41x = 2,458.56 × 1,143.34
4. Step 4: Simplify right side
   1,782.41x = 2,810,962.22
5. Step 5: Solve for x
   x = 2,810,962.22/1,782.41
6. Step 6: Final answer
   x = 1,577.06