Finding the Fourth Proportional to 1,789.59, 2,469.74 and 1,003.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.59 : 2,469.74 = 1,003.64 : x
2. Step 2: Convert to fraction form
   1,789.59/2,469.74 = 1,003.64/x
3. Step 3: Cross multiply
   1,789.59x = 2,469.74 × 1,003.64
4. Step 4: Simplify right side
   1,789.59x = 2,478,732.02
5. Step 5: Solve for x
   x = 2,478,732.02/1,789.59
6. Step 6: Final answer
   x = 1,385.08