Finding the Fourth Proportional to 89,546.05, 123,572.66 and 49,259.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,546.05 : 123,572.66 = 49,259.86 : x
2. Step 2: Convert to fraction form
   89,546.05/123,572.66 = 49,259.86/x
3. Step 3: Cross multiply
   89,546.05x = 123,572.66 × 49,259.86
4. Step 4: Simplify right side
   89,546.05x = 6,087,171,067.27
5. Step 5: Solve for x
   x = 6,087,171,067.27/89,546.05
6. Step 6: Final answer
   x = 67,978.11