Finding the Fourth Proportional to 2,548.91, 3,520.89 and 1,996.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.91 : 3,520.89 = 1,996.32 : x
2. Step 2: Convert to fraction form
   2,548.91/3,520.89 = 1,996.32/x
3. Step 3: Cross multiply
   2,548.91x = 3,520.89 × 1,996.32
4. Step 4: Simplify right side
   2,548.91x = 7,028,804.55
5. Step 5: Solve for x
   x = 7,028,804.55/2,548.91
6. Step 6: Final answer
   x = 2,757.57