Finding the Fourth Proportional to 1,446.52, 1,995.81 and 856.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.52 : 1,995.81 = 856.84 : x
2. Step 2: Convert to fraction form
   1,446.52/1,995.81 = 856.84/x
3. Step 3: Cross multiply
   1,446.52x = 1,995.81 × 856.84
4. Step 4: Simplify right side
   1,446.52x = 1,710,089.84
5. Step 5: Solve for x
   x = 1,710,089.84/1,446.52
6. Step 6: Final answer
   x = 1,182.21