Finding the Fourth Proportional to 89,105.48, 122,965.56 and 48,820.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,105.48 : 122,965.56 = 48,820.77 : x
2. Step 2: Convert to fraction form
   89,105.48/122,965.56 = 48,820.77/x
3. Step 3: Cross multiply
   89,105.48x = 122,965.56 × 48,820.77
4. Step 4: Simplify right side
   89,105.48x = 6,003,272,463.75
5. Step 5: Solve for x
   x = 6,003,272,463.75/89,105.48
6. Step 6: Final answer
   x = 67,372.65