Finding the Fourth Proportional to 1,473.91, 2,033.98 and 810.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,473.91 : 2,033.98 = 810.81 : x
2. Step 2: Convert to fraction form
   1,473.91/2,033.98 = 810.81/x
3. Step 3: Cross multiply
   1,473.91x = 2,033.98 × 810.81
4. Step 4: Simplify right side
   1,473.91x = 1,649,169.30
5. Step 5: Solve for x
   x = 1,649,169.30/1,473.91
6. Step 6: Final answer
   x = 1,118.91