Finding the Fourth Proportional to 1,843.82, 2,544.20 and 1,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.82 : 2,544.20 = 1,057.72 : x
2. Step 2: Convert to fraction form
   1,843.82/2,544.20 = 1,057.72/x
3. Step 3: Cross multiply
   1,843.82x = 2,544.20 × 1,057.72
4. Step 4: Simplify right side
   1,843.82x = 2,691,051.22
5. Step 5: Solve for x
   x = 2,691,051.22/1,843.82
6. Step 6: Final answer
   x = 1,459.50