Finding the Fourth Proportional to 1,047.84, 1,443.24 and 969.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.84 : 1,443.24 = 969.96 : x
2. Step 2: Convert to fraction form
   1,047.84/1,443.24 = 969.96/x
3. Step 3: Cross multiply
   1,047.84x = 1,443.24 × 969.96
4. Step 4: Simplify right side
   1,047.84x = 1,399,885.07
5. Step 5: Solve for x
   x = 1,399,885.07/1,047.84
6. Step 6: Final answer
   x = 1,335.97