Finding the Fourth Proportional to 2,673.96, 3,693.78 and 2,015.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.96 : 3,693.78 = 2,015.88 : x
2. Step 2: Convert to fraction form
   2,673.96/3,693.78 = 2,015.88/x
3. Step 3: Cross multiply
   2,673.96x = 3,693.78 × 2,015.88
4. Step 4: Simplify right side
   2,673.96x = 7,446,217.23
5. Step 5: Solve for x
   x = 7,446,217.23/2,673.96
6. Step 6: Final answer
   x = 2,784.72