Finding the Fourth Proportional to 1,996.34, 2,993.81 and 764.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.34 : 2,993.81 = 764.10 : x
2. Step 2: Convert to fraction form
   1,996.34/2,993.81 = 764.10/x
3. Step 3: Cross multiply
   1,996.34x = 2,993.81 × 764.10
4. Step 4: Simplify right side
   1,996.34x = 2,287,555.25
5. Step 5: Solve for x
   x = 2,287,555.25/1,996.34
6. Step 6: Final answer
   x = 1,145.88