Finding the Fourth Proportional to 65,327.22, 90,152.46 and 48,945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,327.22 : 90,152.46 = 48,945.42 : x
2. Step 2: Convert to fraction form
   65,327.22/90,152.46 = 48,945.42/x
3. Step 3: Cross multiply
   65,327.22x = 90,152.46 × 48,945.42
4. Step 4: Simplify right side
   65,327.22x = 4,412,550,018.73
5. Step 5: Solve for x
   x = 4,412,550,018.73/65,327.22
6. Step 6: Final answer
   x = 67,545.35