Finding the Fourth Proportional to 1,017.76, 1,525.69 and 530.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.76 : 1,525.69 = 530.23 : x
2. Step 2: Convert to fraction form
   1,017.76/1,525.69 = 530.23/x
3. Step 3: Cross multiply
   1,017.76x = 1,525.69 × 530.23
4. Step 4: Simplify right side
   1,017.76x = 808,966.61
5. Step 5: Solve for x
   x = 808,966.61/1,017.76
6. Step 6: Final answer
   x = 794.85