Finding the Fourth Proportional to 1,800.15, 2,483.96 and 1,003.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.15 : 2,483.96 = 1,003.38 : x
2. Step 2: Convert to fraction form
   1,800.15/2,483.96 = 1,003.38/x
3. Step 3: Cross multiply
   1,800.15x = 2,483.96 × 1,003.38
4. Step 4: Simplify right side
   1,800.15x = 2,492,355.78
5. Step 5: Solve for x
   x = 2,492,355.78/1,800.15
6. Step 6: Final answer
   x = 1,384.53