Finding the Fourth Proportional to 12,432.89, 18,650.59 and 3,996.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,432.89 : 18,650.59 = 3,996.41 : x
2. Step 2: Convert to fraction form
   12,432.89/18,650.59 = 3,996.41/x
3. Step 3: Cross multiply
   12,432.89x = 18,650.59 × 3,996.41
4. Step 4: Simplify right side
   12,432.89x = 74,535,301.14
5. Step 5: Solve for x
   x = 74,535,301.14/12,432.89
6. Step 6: Final answer
   x = 5,995.01