Finding the Fourth Proportional to 1,018.95, 1,526.31 and 530.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.95 : 1,526.31 = 530.52 : x
2. Step 2: Convert to fraction form
   1,018.95/1,526.31 = 530.52/x
3. Step 3: Cross multiply
   1,018.95x = 1,526.31 × 530.52
4. Step 4: Simplify right side
   1,018.95x = 809,737.98
5. Step 5: Solve for x
   x = 809,737.98/1,018.95
6. Step 6: Final answer
   x = 794.68