Finding the Fourth Proportional to 467,404.38, 645,150.18 and 276,484.14

Step by Step Solution

1. Step 1: Write the proportion equation
   467,404.38 : 645,150.18 = 276,484.14 : x
2. Step 2: Convert to fraction form
   467,404.38/645,150.18 = 276,484.14/x
3. Step 3: Cross multiply
   467,404.38x = 645,150.18 × 276,484.14
4. Step 4: Simplify right side
   467,404.38x = 178,373,792,688.15
5. Step 5: Solve for x
   x = 178,373,792,688.15/467,404.38
6. Step 6: Final answer
   x = 381,626.28