Finding the Fourth Proportional to 3,693.78, 5,097.25 and 2,015.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.78 : 5,097.25 = 2,015.14 : x
2. Step 2: Convert to fraction form
   3,693.78/5,097.25 = 2,015.14/x
3. Step 3: Cross multiply
   3,693.78x = 5,097.25 × 2,015.14
4. Step 4: Simplify right side
   3,693.78x = 10,271,672.37
5. Step 5: Solve for x
   x = 10,271,672.37/3,693.78
6. Step 6: Final answer
   x = 2,780.80