Finding the Fourth Proportional to 1,446.02, 1,995.12 and 856.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.02 : 1,995.12 = 856.34 : x
2. Step 2: Convert to fraction form
   1,446.02/1,995.12 = 856.34/x
3. Step 3: Cross multiply
   1,446.02x = 1,995.12 × 856.34
4. Step 4: Simplify right side
   1,446.02x = 1,708,501.06
5. Step 5: Solve for x
   x = 1,708,501.06/1,446.02
6. Step 6: Final answer
   x = 1,181.52