Finding the Fourth Proportional to 1,474.05, 2,034.17 and 810.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.05 : 2,034.17 = 810.87 : x
2. Step 2: Convert to fraction form
   1,474.05/2,034.17 = 810.87/x
3. Step 3: Cross multiply
   1,474.05x = 2,034.17 × 810.87
4. Step 4: Simplify right side
   1,474.05x = 1,649,441.83
5. Step 5: Solve for x
   x = 1,649,441.83/1,474.05
6. Step 6: Final answer
   x = 1,118.98