Finding the Fourth Proportional to 2,724.41, 4,087.05 and 969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.41 : 4,087.05 = 969.98 : x
2. Step 2: Convert to fraction form
   2,724.41/4,087.05 = 969.98/x
3. Step 3: Cross multiply
   2,724.41x = 4,087.05 × 969.98
4. Step 4: Simplify right side
   2,724.41x = 3,964,356.76
5. Step 5: Solve for x
   x = 3,964,356.76/2,724.41
6. Step 6: Final answer
   x = 1,455.12