Finding the Fourth Proportional to 1,369.73, 2,049.71 and 1,003.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.73 : 2,049.71 = 1,003.61 : x
2. Step 2: Convert to fraction form
   1,369.73/2,049.71 = 1,003.61/x
3. Step 3: Cross multiply
   1,369.73x = 2,049.71 × 1,003.61
4. Step 4: Simplify right side
   1,369.73x = 2,057,094.19
5. Step 5: Solve for x
   x = 2,057,094.19/1,369.73
6. Step 6: Final answer
   x = 1,501.83