Finding the Fourth Proportional to 2,724.78, 4,084.76 and 969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.78 : 4,084.76 = 969.50 : x
2. Step 2: Convert to fraction form
   2,724.78/4,084.76 = 969.50/x
3. Step 3: Cross multiply
   2,724.78x = 4,084.76 × 969.50
4. Step 4: Simplify right side
   2,724.78x = 3,960,174.82
5. Step 5: Solve for x
   x = 3,960,174.82/2,724.78
6. Step 6: Final answer
   x = 1,453.39