Finding the Fourth Proportional to 1,018.02, 1,526.04 and 524.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.02 : 1,526.04 = 524.28 : x
2. Step 2: Convert to fraction form
   1,018.02/1,526.04 = 524.28/x
3. Step 3: Cross multiply
   1,018.02x = 1,526.04 × 524.28
4. Step 4: Simplify right side
   1,018.02x = 800,072.25
5. Step 5: Solve for x
   x = 800,072.25/1,018.02
6. Step 6: Final answer
   x = 785.91