Finding the Fourth Proportional to 63,632.37, 87,856.61 and 39,769.77

Step by Step Solution

1. Step 1: Write the proportion equation
   63,632.37 : 87,856.61 = 39,769.77 : x
2. Step 2: Convert to fraction form
   63,632.37/87,856.61 = 39,769.77/x
3. Step 3: Cross multiply
   63,632.37x = 87,856.61 × 39,769.77
4. Step 4: Simplify right side
   63,632.37x = 3,494,036,973.83
5. Step 5: Solve for x
   x = 3,494,036,973.83/63,632.37
6. Step 6: Final answer
   x = 54,909.74