Finding the Fourth Proportional to 2,767.32, 4,150.96 and 819.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.32 : 4,150.96 = 819.67 : x
2. Step 2: Convert to fraction form
   2,767.32/4,150.96 = 819.67/x
3. Step 3: Cross multiply
   2,767.32x = 4,150.96 × 819.67
4. Step 4: Simplify right side
   2,767.32x = 3,402,417.38
5. Step 5: Solve for x
   x = 3,402,417.38/2,767.32
6. Step 6: Final answer
   x = 1,229.50