Finding the Fourth Proportional to 63,392.69, 87,375.62 and 50,604.89

Step by Step Solution

1. Step 1: Write the proportion equation
   63,392.69 : 87,375.62 = 50,604.89 : x
2. Step 2: Convert to fraction form
   63,392.69/87,375.62 = 50,604.89/x
3. Step 3: Cross multiply
   63,392.69x = 87,375.62 × 50,604.89
4. Step 4: Simplify right side
   63,392.69x = 4,421,633,328.42
5. Step 5: Solve for x
   x = 4,421,633,328.42/63,392.69
6. Step 6: Final answer
   x = 69,749.89