Finding the Fourth Proportional to 5,103.27, 7,647.77 and 2,758.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.27 : 7,647.77 = 2,758.21 : x
2. Step 2: Convert to fraction form
   5,103.27/7,647.77 = 2,758.21/x
3. Step 3: Cross multiply
   5,103.27x = 7,647.77 × 2,758.21
4. Step 4: Simplify right side
   5,103.27x = 21,094,161.02
5. Step 5: Solve for x
   x = 21,094,161.02/5,103.27
6. Step 6: Final answer
   x = 4,133.46