Finding the Fourth Proportional to 5,103.56, 7,042.74 and 2,865.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.56 : 7,042.74 = 2,865.62 : x
2. Step 2: Convert to fraction form
   5,103.56/7,042.74 = 2,865.62/x
3. Step 3: Cross multiply
   5,103.56x = 7,042.74 × 2,865.62
4. Step 4: Simplify right side
   5,103.56x = 20,181,816.60
5. Step 5: Solve for x
   x = 20,181,816.60/5,103.56
6. Step 6: Final answer
   x = 3,954.46