Finding the Fourth Proportional to 2,146.28, 3,210.52 and 2,015.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.28 : 3,210.52 = 2,015.06 : x
2. Step 2: Convert to fraction form
   2,146.28/3,210.52 = 2,015.06/x
3. Step 3: Cross multiply
   2,146.28x = 3,210.52 × 2,015.06
4. Step 4: Simplify right side
   2,146.28x = 6,469,390.43
5. Step 5: Solve for x
   x = 6,469,390.43/2,146.28
6. Step 6: Final answer
   x = 3,014.23