Finding the Fourth Proportional to 42,441.24, 63,564.98 and 20,270.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,441.24 : 63,564.98 = 20,270.24 : x
2. Step 2: Convert to fraction form
   42,441.24/63,564.98 = 20,270.24/x
3. Step 3: Cross multiply
   42,441.24x = 63,564.98 × 20,270.24
4. Step 4: Simplify right side
   42,441.24x = 1,288,476,981.02
5. Step 5: Solve for x
   x = 1,288,476,981.02/42,441.24
6. Step 6: Final answer
   x = 30,359.08