Finding the Fourth Proportional to 42,822.31, 64,217.49 and 14,734.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,822.31 : 64,217.49 = 14,734.42 : x
2. Step 2: Convert to fraction form
   42,822.31/64,217.49 = 14,734.42/x
3. Step 3: Cross multiply
   42,822.31x = 64,217.49 × 14,734.42
4. Step 4: Simplify right side
   42,822.31x = 946,207,469.01
5. Step 5: Solve for x
   x = 946,207,469.01/42,822.31
6. Step 6: Final answer
   x = 22,096.13