Finding the Fourth Proportional to 12,269.16, 18,404.28 and 3,503.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.16 : 18,404.28 = 3,503.16 : x
2. Step 2: Convert to fraction form
   12,269.16/18,404.28 = 3,503.16/x
3. Step 3: Cross multiply
   12,269.16x = 18,404.28 × 3,503.16
4. Step 4: Simplify right side
   12,269.16x = 64,473,137.52
5. Step 5: Solve for x
   x = 64,473,137.52/12,269.16
6. Step 6: Final answer
   x = 5,254.89