Finding the Fourth Proportional to 1,018.02, 1,404.87 and 552.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.02 : 1,404.87 = 552.27 : x
2. Step 2: Convert to fraction form
   1,018.02/1,404.87 = 552.27/x
3. Step 3: Cross multiply
   1,018.02x = 1,404.87 × 552.27
4. Step 4: Simplify right side
   1,018.02x = 775,857.77
5. Step 5: Solve for x
   x = 775,857.77/1,018.02
6. Step 6: Final answer
   x = 762.13