Finding the Fourth Proportional to 1,016.02, 1,523.01 and 810.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.02 : 1,523.01 = 810.94 : x
2. Step 2: Convert to fraction form
   1,016.02/1,523.01 = 810.94/x
3. Step 3: Cross multiply
   1,016.02x = 1,523.01 × 810.94
4. Step 4: Simplify right side
   1,016.02x = 1,235,069.73
5. Step 5: Solve for x
   x = 1,235,069.73/1,016.02
6. Step 6: Final answer
   x = 1,215.60