Finding the Fourth Proportional to 1,789.53, 2,469.65 and 1,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.53 : 2,469.65 = 1,003.69 : x
2. Step 2: Convert to fraction form
   1,789.53/2,469.65 = 1,003.69/x
3. Step 3: Cross multiply
   1,789.53x = 2,469.65 × 1,003.69
4. Step 4: Simplify right side
   1,789.53x = 2,478,763.01
5. Step 5: Solve for x
   x = 2,478,763.01/1,789.53
6. Step 6: Final answer
   x = 1,385.15