Finding the Fourth Proportional to 1,446.56, 1,996.25 and 783.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.56 : 1,996.25 = 783.39 : x
2. Step 2: Convert to fraction form
   1,446.56/1,996.25 = 783.39/x
3. Step 3: Cross multiply
   1,446.56x = 1,996.25 × 783.39
4. Step 4: Simplify right side
   1,446.56x = 1,563,845.86
5. Step 5: Solve for x
   x = 1,563,845.86/1,446.56
6. Step 6: Final answer
   x = 1,081.08