Finding the Fourth Proportional to 2,043.01, 3,064.85 and 810.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.01 : 3,064.85 = 810.43 : x
2. Step 2: Convert to fraction form
   2,043.01/3,064.85 = 810.43/x
3. Step 3: Cross multiply
   2,043.01x = 3,064.85 × 810.43
4. Step 4: Simplify right side
   2,043.01x = 2,483,842.27
5. Step 5: Solve for x
   x = 2,483,842.27/2,043.01
6. Step 6: Final answer
   x = 1,215.78