Finding the Fourth Proportional to 383,766.82, 529,598.72 and 211,680.92

Step by Step Solution

1. Step 1: Write the proportion equation
   383,766.82 : 529,598.72 = 211,680.92 : x
2. Step 2: Convert to fraction form
   383,766.82/529,598.72 = 211,680.92/x
3. Step 3: Cross multiply
   383,766.82x = 529,598.72 × 211,680.92
4. Step 4: Simplify right side
   383,766.82x = 112,105,944,280.42
5. Step 5: Solve for x
   x = 112,105,944,280.42/383,766.82
6. Step 6: Final answer
   x = 292,119.95