Finding the Fourth Proportional to 12,269.50, 18,403.86 and 3,504.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.50 : 18,403.86 = 3,504.43 : x
2. Step 2: Convert to fraction form
   12,269.50/18,403.86 = 3,504.43/x
3. Step 3: Cross multiply
   12,269.50x = 18,403.86 × 3,504.43
4. Step 4: Simplify right side
   12,269.50x = 64,495,039.10
5. Step 5: Solve for x
   x = 64,495,039.10/12,269.50
6. Step 6: Final answer
   x = 5,256.53