Finding the Fourth Proportional to 12,338.22, 18,506.61 and 3,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338.22 : 18,506.61 = 3,103.50 : x
2. Step 2: Convert to fraction form
   12,338.22/18,506.61 = 3,103.50/x
3. Step 3: Cross multiply
   12,338.22x = 18,506.61 × 3,103.50
4. Step 4: Simplify right side
   12,338.22x = 57,435,264.14
5. Step 5: Solve for x
   x = 57,435,264.14/12,338.22
6. Step 6: Final answer
   x = 4,655.07