Finding the Fourth Proportional to 2,767.32, 3,812.94 and 2,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.32 : 3,812.94 = 2,020.50 : x
2. Step 2: Convert to fraction form
   2,767.32/3,812.94 = 2,020.50/x
3. Step 3: Cross multiply
   2,767.32x = 3,812.94 × 2,020.50
4. Step 4: Simplify right side
   2,767.32x = 7,704,045.27
5. Step 5: Solve for x
   x = 7,704,045.27/2,767.32
6. Step 6: Final answer
   x = 2,783.94