Finding the Fourth Proportional to 2,389.47, 3,586.37 and 1,003.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.47 : 3,586.37 = 1,003.83 : x
2. Step 2: Convert to fraction form
   2,389.47/3,586.37 = 1,003.83/x
3. Step 3: Cross multiply
   2,389.47x = 3,586.37 × 1,003.83
4. Step 4: Simplify right side
   2,389.47x = 3,600,100.78
5. Step 5: Solve for x
   x = 3,600,100.78/2,389.47
6. Step 6: Final answer
   x = 1,506.65