Finding the Fourth Proportional to 63,178.80, 87,183.24 and 39,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,178.80 : 87,183.24 = 39,304.72 : x
2. Step 2: Convert to fraction form
   63,178.80/87,183.24 = 39,304.72/x
3. Step 3: Cross multiply
   63,178.80x = 87,183.24 × 39,304.72
4. Step 4: Simplify right side
   63,178.80x = 3,426,712,836.89
5. Step 5: Solve for x
   x = 3,426,712,836.89/63,178.80
6. Step 6: Final answer
   x = 54,238.33