Finding the Fourth Proportional to 2,096.64, 2,900.16 and 1,964.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.64 : 2,900.16 = 1,964.48 : x
2. Step 2: Convert to fraction form
   2,096.64/2,900.16 = 1,964.48/x
3. Step 3: Cross multiply
   2,096.64x = 2,900.16 × 1,964.48
4. Step 4: Simplify right side
   2,096.64x = 5,697,306.32
5. Step 5: Solve for x
   x = 5,697,306.32/2,096.64
6. Step 6: Final answer
   x = 2,717.35