Finding the Fourth Proportional to 2,628.05, 3,940.25 and 1,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.05 : 3,940.25 = 1,146.96 : x
2. Step 2: Convert to fraction form
   2,628.05/3,940.25 = 1,146.96/x
3. Step 3: Cross multiply
   2,628.05x = 3,940.25 × 1,146.96
4. Step 4: Simplify right side
   2,628.05x = 4,519,303.41
5. Step 5: Solve for x
   x = 4,519,303.41/2,628.05
6. Step 6: Final answer
   x = 1,719.64