Finding the Fourth Proportional to 4,780.48, 6,599.76 and 3,103.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,780.48 : 6,599.76 = 3,103.37 : x
2. Step 2: Convert to fraction form
   4,780.48/6,599.76 = 3,103.37/x
3. Step 3: Cross multiply
   4,780.48x = 6,599.76 × 3,103.37
4. Step 4: Simplify right side
   4,780.48x = 20,481,513.69
5. Step 5: Solve for x
   x = 20,481,513.69/4,780.48
6. Step 6: Final answer
   x = 4,284.41