Finding the Fourth Proportional to 2,078.72, 3,097.82 and 2,018.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.72 : 3,097.82 = 2,018.75 : x
2. Step 2: Convert to fraction form
   2,078.72/3,097.82 = 2,018.75/x
3. Step 3: Cross multiply
   2,078.72x = 3,097.82 × 2,018.75
4. Step 4: Simplify right side
   2,078.72x = 6,253,724.13
5. Step 5: Solve for x
   x = 6,253,724.13/2,078.72
6. Step 6: Final answer
   x = 3,008.45