Finding the Fourth Proportional to 1,446.50, 1,996.18 and 783.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.50 : 1,996.18 = 783.35 : x
2. Step 2: Convert to fraction form
   1,446.50/1,996.18 = 783.35/x
3. Step 3: Cross multiply
   1,446.50x = 1,996.18 × 783.35
4. Step 4: Simplify right side
   1,446.50x = 1,563,710.64
5. Step 5: Solve for x
   x = 1,563,710.64/1,446.50
6. Step 6: Final answer
   x = 1,081.03