Finding the Fourth Proportional to 89,057.87, 122,900.25 and 48,771.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,057.87 : 122,900.25 = 48,771.91 : x
2. Step 2: Convert to fraction form
   89,057.87/122,900.25 = 48,771.91/x
3. Step 3: Cross multiply
   89,057.87x = 122,900.25 × 48,771.91
4. Step 4: Simplify right side
   89,057.87x = 5,994,079,931.98
5. Step 5: Solve for x
   x = 5,994,079,931.98/89,057.87
6. Step 6: Final answer
   x = 67,305.45