Finding the Fourth Proportional to 89,496.95, 123,503.42 and 48,659.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,496.95 : 123,503.42 = 48,659.78 : x
2. Step 2: Convert to fraction form
   89,496.95/123,503.42 = 48,659.78/x
3. Step 3: Cross multiply
   89,496.95x = 123,503.42 × 48,659.78
4. Step 4: Simplify right side
   89,496.95x = 6,009,649,003.15
5. Step 5: Solve for x
   x = 6,009,649,003.15/89,496.95
6. Step 6: Final answer
   x = 67,149.21