Finding the Fourth Proportional to 1,473.72, 2,033.72 and 810.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,473.72 : 2,033.72 = 810.58 : x
2. Step 2: Convert to fraction form
   1,473.72/2,033.72 = 810.58/x
3. Step 3: Cross multiply
   1,473.72x = 2,033.72 × 810.58
4. Step 4: Simplify right side
   1,473.72x = 1,648,492.76
5. Step 5: Solve for x
   x = 1,648,492.76/1,473.72
6. Step 6: Final answer
   x = 1,118.59