Finding the Fourth Proportional to 63,144.76, 87,060.96 and 40,446.42

Step by Step Solution

1. Step 1: Write the proportion equation
   63,144.76 : 87,060.96 = 40,446.42 : x
2. Step 2: Convert to fraction form
   63,144.76/87,060.96 = 40,446.42/x
3. Step 3: Cross multiply
   63,144.76x = 87,060.96 × 40,446.42
4. Step 4: Simplify right side
   63,144.76x = 3,521,304,153.76
5. Step 5: Solve for x
   x = 3,521,304,153.76/63,144.76
6. Step 6: Final answer
   x = 55,765.58