Finding the Fourth Proportional to 1,016.48, 1,522.90 and 530.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.48 : 1,522.90 = 530.08 : x
2. Step 2: Convert to fraction form
   1,016.48/1,522.90 = 530.08/x
3. Step 3: Cross multiply
   1,016.48x = 1,522.90 × 530.08
4. Step 4: Simplify right side
   1,016.48x = 807,258.83
5. Step 5: Solve for x
   x = 807,258.83/1,016.48
6. Step 6: Final answer
   x = 794.17