Finding the Fourth Proportional to 1,126.98, 1,551.15 and 984.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.98 : 1,551.15 = 984.15 : x
2. Step 2: Convert to fraction form
   1,126.98/1,551.15 = 984.15/x
3. Step 3: Cross multiply
   1,126.98x = 1,551.15 × 984.15
4. Step 4: Simplify right side
   1,126.98x = 1,526,564.27
5. Step 5: Solve for x
   x = 1,526,564.27/1,126.98
6. Step 6: Final answer
   x = 1,354.56