Finding the Fourth Proportional to 89,914.82, 124,081.85 and 49,628.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,914.82 : 124,081.85 = 49,628.57 : x
2. Step 2: Convert to fraction form
   89,914.82/124,081.85 = 49,628.57/x
3. Step 3: Cross multiply
   89,914.82x = 124,081.85 × 49,628.57
4. Step 4: Simplify right side
   89,914.82x = 6,158,003,909.90
5. Step 5: Solve for x
   x = 6,158,003,909.90/89,914.82
6. Step 6: Final answer
   x = 68,487.08