Finding the Fourth Proportional to 1,800.43, 2,484.81 and 1,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.43 : 2,484.81 = 1,003.88 : x
2. Step 2: Convert to fraction form
   1,800.43/2,484.81 = 1,003.88/x
3. Step 3: Cross multiply
   1,800.43x = 2,484.81 × 1,003.88
4. Step 4: Simplify right side
   1,800.43x = 2,494,459.53
5. Step 5: Solve for x
   x = 2,494,459.53/1,800.43
6. Step 6: Final answer
   x = 1,385.48