Finding the Fourth Proportional to 1,446.51, 1,994.67 and 1,074.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.51 : 1,994.67 = 1,074.22 : x
2. Step 2: Convert to fraction form
   1,446.51/1,994.67 = 1,074.22/x
3. Step 3: Cross multiply
   1,446.51x = 1,994.67 × 1,074.22
4. Step 4: Simplify right side
   1,446.51x = 2,142,714.41
5. Step 5: Solve for x
   x = 2,142,714.41/1,446.51
6. Step 6: Final answer
   x = 1,481.30