Finding the Fourth Proportional to 1,016.84, 1,523.87 and 528.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.84 : 1,523.87 = 528.89 : x
2. Step 2: Convert to fraction form
   1,016.84/1,523.87 = 528.89/x
3. Step 3: Cross multiply
   1,016.84x = 1,523.87 × 528.89
4. Step 4: Simplify right side
   1,016.84x = 805,949.34
5. Step 5: Solve for x
   x = 805,949.34/1,016.84
6. Step 6: Final answer
   x = 792.61