Finding the Fourth Proportional to 1,016.35, 1,527.71 and 881.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.35 : 1,527.71 = 881.03 : x
2. Step 2: Convert to fraction form
   1,016.35/1,527.71 = 881.03/x
3. Step 3: Cross multiply
   1,016.35x = 1,527.71 × 881.03
4. Step 4: Simplify right side
   1,016.35x = 1,345,954.12
5. Step 5: Solve for x
   x = 1,345,954.12/1,016.35
6. Step 6: Final answer
   x = 1,324.31