Finding the Fourth Proportional to 3,693.98, 5,097.74 and 2,015.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.98 : 5,097.74 = 2,015.37 : x
2. Step 2: Convert to fraction form
   3,693.98/5,097.74 = 2,015.37/x
3. Step 3: Cross multiply
   3,693.98x = 5,097.74 × 2,015.37
4. Step 4: Simplify right side
   3,693.98x = 10,273,822.19
5. Step 5: Solve for x
   x = 10,273,822.19/3,693.98
6. Step 6: Final answer
   x = 2,781.23