Finding the Fourth Proportional to 1,018.03, 1,526.37 and 524.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.03 : 1,526.37 = 524.74 : x
2. Step 2: Convert to fraction form
   1,018.03/1,526.37 = 524.74/x
3. Step 3: Cross multiply
   1,018.03x = 1,526.37 × 524.74
4. Step 4: Simplify right side
   1,018.03x = 800,947.39
5. Step 5: Solve for x
   x = 800,947.39/1,018.03
6. Step 6: Final answer
   x = 786.76