Finding the Fourth Proportional to 3,103.35, 4,350.45 and 3,103.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103.35 : 4,350.45 = 3,103.35 : x
2. Step 2: Convert to fraction form
   3,103.35/4,350.45 = 3,103.35/x
3. Step 3: Cross multiply
   3,103.35x = 4,350.45 × 3,103.35
4. Step 4: Simplify right side
   3,103.35x = 13,500,969.01
5. Step 5: Solve for x
   x = 13,500,969.01/3,103.35
6. Step 6: Final answer
   x = 4,350.45