Finding the Fourth Proportional to 1,790.82, 2,471.30 and 1,004.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.82 : 2,471.30 = 1,004.86 : x
2. Step 2: Convert to fraction form
   1,790.82/2,471.30 = 1,004.86/x
3. Step 3: Cross multiply
   1,790.82x = 2,471.30 × 1,004.86
4. Step 4: Simplify right side
   1,790.82x = 2,483,310.52
5. Step 5: Solve for x
   x = 2,483,310.52/1,790.82
6. Step 6: Final answer
   x = 1,386.69