Finding the Fourth Proportional to 1,473.64, 2,033.71 and 810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,473.64 : 2,033.71 = 810.50 : x
2. Step 2: Convert to fraction form
   1,473.64/2,033.71 = 810.50/x
3. Step 3: Cross multiply
   1,473.64x = 2,033.71 × 810.50
4. Step 4: Simplify right side
   1,473.64x = 1,648,309.76
5. Step 5: Solve for x
   x = 1,648,309.76/1,473.64
6. Step 6: Final answer
   x = 1,118.53