Finding the Fourth Proportional to 396,150.72, 546,680.52 and 224,065.68

Step by Step Solution

1. Step 1: Write the proportion equation
   396,150.72 : 546,680.52 = 224,065.68 : x
2. Step 2: Convert to fraction form
   396,150.72/546,680.52 = 224,065.68/x
3. Step 3: Cross multiply
   396,150.72x = 546,680.52 × 224,065.68
4. Step 4: Simplify right side
   396,150.72x = 122,492,342,456.55
5. Step 5: Solve for x
   x = 122,492,342,456.55/396,150.72
6. Step 6: Final answer
   x = 309,206.41