Finding the Fourth Proportional to 2,968.89, 4,453.38 and 2,276.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.89 : 4,453.38 = 2,276.79 : x
2. Step 2: Convert to fraction form
   2,968.89/4,453.38 = 2,276.79/x
3. Step 3: Cross multiply
   2,968.89x = 4,453.38 × 2,276.79
4. Step 4: Simplify right side
   2,968.89x = 10,139,411.05
5. Step 5: Solve for x
   x = 10,139,411.05/2,968.89
6. Step 6: Final answer
   x = 3,415.22