Finding the Fourth Proportional to 2,548.27, 3,819.30 and 2,087.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.27 : 3,819.30 = 2,087.02 : x
2. Step 2: Convert to fraction form
   2,548.27/3,819.30 = 2,087.02/x
3. Step 3: Cross multiply
   2,548.27x = 3,819.30 × 2,087.02
4. Step 4: Simplify right side
   2,548.27x = 7,970,955.49
5. Step 5: Solve for x
   x = 7,970,955.49/2,548.27
6. Step 6: Final answer
   x = 3,127.99