Finding the Fourth Proportional to 89,979.98, 124,173.31 and 49,694.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,979.98 : 124,173.31 = 49,694.77 : x
2. Step 2: Convert to fraction form
   89,979.98/124,173.31 = 49,694.77/x
3. Step 3: Cross multiply
   89,979.98x = 124,173.31 × 49,694.77
4. Step 4: Simplify right side
   89,979.98x = 6,170,763,459.72
5. Step 5: Solve for x
   x = 6,170,763,459.72/89,979.98
6. Step 6: Final answer
   x = 68,579.29