Finding the Fourth Proportional to 42,872.41, 64,285.42 and 34,044.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,872.41 : 64,285.42 = 34,044.54 : x
2. Step 2: Convert to fraction form
   42,872.41/64,285.42 = 34,044.54/x
3. Step 3: Cross multiply
   42,872.41x = 64,285.42 × 34,044.54
4. Step 4: Simplify right side
   42,872.41x = 2,188,567,231.18
5. Step 5: Solve for x
   x = 2,188,567,231.18/42,872.41
6. Step 6: Final answer
   x = 51,048.38