Finding the Fourth Proportional to 5,103.88, 7,043.25 and 2,865.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.88 : 7,043.25 = 2,865.58 : x
2. Step 2: Convert to fraction form
   5,103.88/7,043.25 = 2,865.58/x
3. Step 3: Cross multiply
   5,103.88x = 7,043.25 × 2,865.58
4. Step 4: Simplify right side
   5,103.88x = 20,182,996.34
5. Step 5: Solve for x
   x = 20,182,996.34/5,103.88
6. Step 6: Final answer
   x = 3,954.44