Finding the Fourth Proportional to 1,013.71, 1,522.38 and 667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.71 : 1,522.38 = 667.75 : x
2. Step 2: Convert to fraction form
   1,013.71/1,522.38 = 667.75/x
3. Step 3: Cross multiply
   1,013.71x = 1,522.38 × 667.75
4. Step 4: Simplify right side
   1,013.71x = 1,016,569.25
5. Step 5: Solve for x
   x = 1,016,569.25/1,013.71
6. Step 6: Final answer
   x = 1,002.82