Finding the Fourth Proportional to 1,789.70, 2,469.56 and 1,003.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.70 : 2,469.56 = 1,003.73 : x
2. Step 2: Convert to fraction form
   1,789.70/2,469.56 = 1,003.73/x
3. Step 3: Cross multiply
   1,789.70x = 2,469.56 × 1,003.73
4. Step 4: Simplify right side
   1,789.70x = 2,478,754.09
5. Step 5: Solve for x
   x = 2,478,754.09/1,789.70
6. Step 6: Final answer
   x = 1,385.01