Finding the Fourth Proportional to 2,968.34, 4,426.44 and 2,728.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.34 : 4,426.44 = 2,728.98 : x
2. Step 2: Convert to fraction form
   2,968.34/4,426.44 = 2,728.98/x
3. Step 3: Cross multiply
   2,968.34x = 4,426.44 × 2,728.98
4. Step 4: Simplify right side
   2,968.34x = 12,079,666.23
5. Step 5: Solve for x
   x = 12,079,666.23/2,968.34
6. Step 6: Final answer
   x = 4,069.50