Finding the Fourth Proportional to 43,244.59, 64,866.50 and 13,662.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,244.59 : 64,866.50 = 13,662.42 : x
2. Step 2: Convert to fraction form
   43,244.59/64,866.50 = 13,662.42/x
3. Step 3: Cross multiply
   43,244.59x = 64,866.50 × 13,662.42
4. Step 4: Simplify right side
   43,244.59x = 886,233,433.05
5. Step 5: Solve for x
   x = 886,233,433.05/43,244.59
6. Step 6: Final answer
   x = 20,493.51