Finding the Fourth Proportional to 1,294.24, 1,938.28 and 1,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.24 : 1,938.28 = 1,018.12 : x
2. Step 2: Convert to fraction form
   1,294.24/1,938.28 = 1,018.12/x
3. Step 3: Cross multiply
   1,294.24x = 1,938.28 × 1,018.12
4. Step 4: Simplify right side
   1,294.24x = 1,973,401.63
5. Step 5: Solve for x
   x = 1,973,401.63/1,294.24
6. Step 6: Final answer
   x = 1,524.76