Finding the Fourth Proportional to 628,394.72, 867,200.22 and 341,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   628,394.72 : 867,200.22 = 341,930.52 : x
2. Step 2: Convert to fraction form
   628,394.72/867,200.22 = 341,930.52/x
3. Step 3: Cross multiply
   628,394.72x = 867,200.22 × 341,930.52
4. Step 4: Simplify right side
   628,394.72x = 296,522,222,168.71
5. Step 5: Solve for x
   x = 296,522,222,168.71/628,394.72
6. Step 6: Final answer
   x = 471,872.56