Finding the Fourth Proportional to 1,432.56, 1,976.94 and 843.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.56 : 1,976.94 = 843.45 : x
2. Step 2: Convert to fraction form
   1,432.56/1,976.94 = 843.45/x
3. Step 3: Cross multiply
   1,432.56x = 1,976.94 × 843.45
4. Step 4: Simplify right side
   1,432.56x = 1,667,450.04
5. Step 5: Solve for x
   x = 1,667,450.04/1,432.56
6. Step 6: Final answer
   x = 1,163.97