Finding the Fourth Proportional to 580,156.96, 800,667.28 and 338,517.38

Step by Step Solution

1. Step 1: Write the proportion equation
   580,156.96 : 800,667.28 = 338,517.38 : x
2. Step 2: Convert to fraction form
   580,156.96/800,667.28 = 338,517.38/x
3. Step 3: Cross multiply
   580,156.96x = 800,667.28 × 338,517.38
4. Step 4: Simplify right side
   580,156.96x = 271,039,789,877.33
5. Step 5: Solve for x
   x = 271,039,789,877.33/580,156.96
6. Step 6: Final answer
   x = 467,183.55