Finding the Fourth Proportional to 12,406.34, 18,609.24 and 3,641.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.34 : 18,609.24 = 3,641.34 : x
2. Step 2: Convert to fraction form
   12,406.34/18,609.24 = 3,641.34/x
3. Step 3: Cross multiply
   12,406.34x = 18,609.24 × 3,641.34
4. Step 4: Simplify right side
   12,406.34x = 67,762,569.98
5. Step 5: Solve for x
   x = 67,762,569.98/12,406.34
6. Step 6: Final answer
   x = 5,461.93