Finding the Fourth Proportional to 2,760.98, 3,809.52 and 2,015.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.98 : 3,809.52 = 2,015.34 : x
2. Step 2: Convert to fraction form
   2,760.98/3,809.52 = 2,015.34/x
3. Step 3: Cross multiply
   2,760.98x = 3,809.52 × 2,015.34
4. Step 4: Simplify right side
   2,760.98x = 7,677,478.04
5. Step 5: Solve for x
   x = 7,677,478.04/2,760.98
6. Step 6: Final answer
   x = 2,780.71