Finding the Fourth Proportional to 1,789.82, 2,469.78 and 1,003.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.82 : 2,469.78 = 1,003.71 : x
2. Step 2: Convert to fraction form
   1,789.82/2,469.78 = 1,003.71/x
3. Step 3: Cross multiply
   1,789.82x = 2,469.78 × 1,003.71
4. Step 4: Simplify right side
   1,789.82x = 2,478,942.88
5. Step 5: Solve for x
   x = 2,478,942.88/1,789.82
6. Step 6: Final answer
   x = 1,385.03