Finding the Fourth Proportional to 89,546.01, 123,575.41 and 49,259.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,546.01 : 123,575.41 = 49,259.78 : x
2. Step 2: Convert to fraction form
   89,546.01/123,575.41 = 49,259.78/x
3. Step 3: Cross multiply
   89,546.01x = 123,575.41 × 49,259.78
4. Step 4: Simplify right side
   89,546.01x = 6,087,297,510.01
5. Step 5: Solve for x
   x = 6,087,297,510.01/89,546.01
6. Step 6: Final answer
   x = 67,979.55