Finding the Fourth Proportional to 1,016.01, 1,522.64 and 668.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.01 : 1,522.64 = 668.82 : x
2. Step 2: Convert to fraction form
   1,016.01/1,522.64 = 668.82/x
3. Step 3: Cross multiply
   1,016.01x = 1,522.64 × 668.82
4. Step 4: Simplify right side
   1,016.01x = 1,018,368.74
5. Step 5: Solve for x
   x = 1,018,368.74/1,016.01
6. Step 6: Final answer
   x = 1,002.32