Finding the Fourth Proportional to 1,789.48, 2,469.47 and 1,003.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.48 : 2,469.47 = 1,003.51 : x
2. Step 2: Convert to fraction form
   1,789.48/2,469.47 = 1,003.51/x
3. Step 3: Cross multiply
   1,789.48x = 2,469.47 × 1,003.51
4. Step 4: Simplify right side
   1,789.48x = 2,478,137.84
5. Step 5: Solve for x
   x = 2,478,137.84/1,789.48
6. Step 6: Final answer
   x = 1,384.84