Finding the Fourth Proportional to 89,062.29, 122,905.89 and 48,778.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,062.29 : 122,905.89 = 48,778.56 : x
2. Step 2: Convert to fraction form
   89,062.29/122,905.89 = 48,778.56/x
3. Step 3: Cross multiply
   89,062.29x = 122,905.89 × 48,778.56
4. Step 4: Simplify right side
   89,062.29x = 5,995,172,329.72
5. Step 5: Solve for x
   x = 5,995,172,329.72/89,062.29
6. Step 6: Final answer
   x = 67,314.37