Finding the Fourth Proportional to 89,938.99, 124,112.55 and 49,651.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,938.99 : 124,112.55 = 49,651.89 : x
2. Step 2: Convert to fraction form
   89,938.99/124,112.55 = 49,651.89/x
3. Step 3: Cross multiply
   89,938.99x = 124,112.55 × 49,651.89
4. Step 4: Simplify right side
   89,938.99x = 6,162,422,680.22
5. Step 5: Solve for x
   x = 6,162,422,680.22/89,938.99
6. Step 6: Final answer
   x = 68,517.81