Finding the Fourth Proportional to 1,446.15, 1,995.72 and 783.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.15 : 1,995.72 = 783.03 : x
2. Step 2: Convert to fraction form
   1,446.15/1,995.72 = 783.03/x
3. Step 3: Cross multiply
   1,446.15x = 1,995.72 × 783.03
4. Step 4: Simplify right side
   1,446.15x = 1,562,717.58
5. Step 5: Solve for x
   x = 1,562,717.58/1,446.15
6. Step 6: Final answer
   x = 1,080.60