Finding the Fourth Proportional to 1,799.78, 2,483.64 and 1,003.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.78 : 2,483.64 = 1,003.10 : x
2. Step 2: Convert to fraction form
   1,799.78/2,483.64 = 1,003.10/x
3. Step 3: Cross multiply
   1,799.78x = 2,483.64 × 1,003.10
4. Step 4: Simplify right side
   1,799.78x = 2,491,345.49
5. Step 5: Solve for x
   x = 2,491,345.49/1,799.78
6. Step 6: Final answer
   x = 1,384.25