Finding the Fourth Proportional to 24,621.96, 33,978.24 and 13,443.96

Step by Step Solution

1. Step 1: Write the proportion equation
   24,621.96 : 33,978.24 = 13,443.96 : x
2. Step 2: Convert to fraction form
   24,621.96/33,978.24 = 13,443.96/x
3. Step 3: Cross multiply
   24,621.96x = 33,978.24 × 13,443.96
4. Step 4: Simplify right side
   24,621.96x = 456,802,099.43
5. Step 5: Solve for x
   x = 456,802,099.43/24,621.96
6. Step 6: Final answer
   x = 18,552.63