Finding the Fourth Proportional to 63,418.63, 95,128.88 and 30,142.09

Step by Step Solution

1. Step 1: Write the proportion equation
   63,418.63 : 95,128.88 = 30,142.09 : x
2. Step 2: Convert to fraction form
   63,418.63/95,128.88 = 30,142.09/x
3. Step 3: Cross multiply
   63,418.63x = 95,128.88 × 30,142.09
4. Step 4: Simplify right side
   63,418.63x = 2,867,383,111.85
5. Step 5: Solve for x
   x = 2,867,383,111.85/63,418.63
6. Step 6: Final answer
   x = 45,213.58