Finding the Fourth Proportional to 1,791.24, 2,471.82 and 1,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.24 : 2,471.82 = 1,005.54 : x
2. Step 2: Convert to fraction form
   1,791.24/2,471.82 = 1,005.54/x
3. Step 3: Cross multiply
   1,791.24x = 2,471.82 × 1,005.54
4. Step 4: Simplify right side
   1,791.24x = 2,485,513.88
5. Step 5: Solve for x
   x = 2,485,513.88/1,791.24
6. Step 6: Final answer
   x = 1,387.59