Finding the Fourth Proportional to 2,014.77, 2,997.78 and 1,964.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.77 : 2,997.78 = 1,964.55 : x
2. Step 2: Convert to fraction form
   2,014.77/2,997.78 = 1,964.55/x
3. Step 3: Cross multiply
   2,014.77x = 2,997.78 × 1,964.55
4. Step 4: Simplify right side
   2,014.77x = 5,889,309.15
5. Step 5: Solve for x
   x = 5,889,309.15/2,014.77
6. Step 6: Final answer
   x = 2,923.06