Finding the Fourth Proportional to 2,078.10, 3,141.50 and 2,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.10 : 3,141.50 = 2,078.10 : x
2. Step 2: Convert to fraction form
   2,078.10/3,141.50 = 2,078.10/x
3. Step 3: Cross multiply
   2,078.10x = 3,141.50 × 2,078.10
4. Step 4: Simplify right side
   2,078.10x = 6,528,351.15
5. Step 5: Solve for x
   x = 6,528,351.15/2,078.10
6. Step 6: Final answer
   x = 3,141.50