Finding the Fourth Proportional to 1,996.84, 2,993.64 and 764.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.84 : 2,993.64 = 764.02 : x
2. Step 2: Convert to fraction form
   1,996.84/2,993.64 = 764.02/x
3. Step 3: Cross multiply
   1,996.84x = 2,993.64 × 764.02
4. Step 4: Simplify right side
   1,996.84x = 2,287,200.83
5. Step 5: Solve for x
   x = 2,287,200.83/1,996.84
6. Step 6: Final answer
   x = 1,145.41