Finding the Fourth Proportional to 2,628.38, 3,940.04 and 1,068.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.38 : 3,940.04 = 1,068.02 : x
2. Step 2: Convert to fraction form
   2,628.38/3,940.04 = 1,068.02/x
3. Step 3: Cross multiply
   2,628.38x = 3,940.04 × 1,068.02
4. Step 4: Simplify right side
   2,628.38x = 4,208,041.52
5. Step 5: Solve for x
   x = 4,208,041.52/2,628.38
6. Step 6: Final answer
   x = 1,601.00