Finding the Fourth Proportional to 43,566.50, 65,350.56 and 12,402.56

Step by Step Solution

1. Step 1: Write the proportion equation
   43,566.50 : 65,350.56 = 12,402.56 : x
2. Step 2: Convert to fraction form
   43,566.50/65,350.56 = 12,402.56/x
3. Step 3: Cross multiply
   43,566.50x = 65,350.56 × 12,402.56
4. Step 4: Simplify right side
   43,566.50x = 810,514,241.43
5. Step 5: Solve for x
   x = 810,514,241.43/43,566.50
6. Step 6: Final answer
   x = 18,604.07