Finding the Fourth Proportional to 1,790.72, 2,471.24 and 1,004.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.72 : 2,471.24 = 1,004.82 : x
2. Step 2: Convert to fraction form
   1,790.72/2,471.24 = 1,004.82/x
3. Step 3: Cross multiply
   1,790.72x = 2,471.24 × 1,004.82
4. Step 4: Simplify right side
   1,790.72x = 2,483,151.38
5. Step 5: Solve for x
   x = 2,483,151.38/1,790.72
6. Step 6: Final answer
   x = 1,386.68