Finding the Fourth Proportional to 1,017.43, 1,526.78 and 530.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.43 : 1,526.78 = 530.82 : x
2. Step 2: Convert to fraction form
   1,017.43/1,526.78 = 530.82/x
3. Step 3: Cross multiply
   1,017.43x = 1,526.78 × 530.82
4. Step 4: Simplify right side
   1,017.43x = 810,446.69
5. Step 5: Solve for x
   x = 810,446.69/1,017.43
6. Step 6: Final answer
   x = 796.56