Finding the Fourth Proportional to 1,446.12, 1,994.63 and 1,004.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.12 : 1,994.63 = 1,004.13 : x
2. Step 2: Convert to fraction form
   1,446.12/1,994.63 = 1,004.13/x
3. Step 3: Cross multiply
   1,446.12x = 1,994.63 × 1,004.13
4. Step 4: Simplify right side
   1,446.12x = 2,002,862.80
5. Step 5: Solve for x
   x = 2,002,862.80/1,446.12
6. Step 6: Final answer
   x = 1,384.99