Finding the Fourth Proportional to 321,674.76, 443,620.53 and 200,827.08

Step by Step Solution

1. Step 1: Write the proportion equation
   321,674.76 : 443,620.53 = 200,827.08 : x
2. Step 2: Convert to fraction form
   321,674.76/443,620.53 = 200,827.08/x
3. Step 3: Cross multiply
   321,674.76x = 443,620.53 × 200,827.08
4. Step 4: Simplify right side
   321,674.76x = 89,091,015,667.95
5. Step 5: Solve for x
   x = 89,091,015,667.95/321,674.76
6. Step 6: Final answer
   x = 276,959.92