Finding the Fourth Proportional to 12,268.50, 18,402.37 and 3,503.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,268.50 : 18,402.37 = 3,503.43 : x
2. Step 2: Convert to fraction form
   12,268.50/18,402.37 = 3,503.43/x
3. Step 3: Cross multiply
   12,268.50x = 18,402.37 × 3,503.43
4. Step 4: Simplify right side
   12,268.50x = 64,471,305.60
5. Step 5: Solve for x
   x = 64,471,305.60/12,268.50
6. Step 6: Final answer
   x = 5,255.03