Finding the Fourth Proportional to 1,446.15, 1,995.69 and 783.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.15 : 1,995.69 = 783.01 : x
2. Step 2: Convert to fraction form
   1,446.15/1,995.69 = 783.01/x
3. Step 3: Cross multiply
   1,446.15x = 1,995.69 × 783.01
4. Step 4: Simplify right side
   1,446.15x = 1,562,635.25
5. Step 5: Solve for x
   x = 1,562,635.25/1,446.15
6. Step 6: Final answer
   x = 1,080.55