Finding the Fourth Proportional to 1,446.76, 1,996.27 and 857.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.76 : 1,996.27 = 857.35 : x
2. Step 2: Convert to fraction form
   1,446.76/1,996.27 = 857.35/x
3. Step 3: Cross multiply
   1,446.76x = 1,996.27 × 857.35
4. Step 4: Simplify right side
   1,446.76x = 1,711,502.08
5. Step 5: Solve for x
   x = 1,711,502.08/1,446.76
6. Step 6: Final answer
   x = 1,182.99