Finding the Fourth Proportional to 8,298.12, 12,448.35 and 3,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,298.12 : 12,448.35 = 3,103.50 : x
2. Step 2: Convert to fraction form
   8,298.12/12,448.35 = 3,103.50/x
3. Step 3: Cross multiply
   8,298.12x = 12,448.35 × 3,103.50
4. Step 4: Simplify right side
   8,298.12x = 38,633,454.23
5. Step 5: Solve for x
   x = 38,633,454.23/8,298.12
6. Step 6: Final answer
   x = 4,655.69