Finding the Fourth Proportional to 89,934.89, 124,109.45 and 49,648.71

Step by Step Solution

1. Step 1: Write the proportion equation
   89,934.89 : 124,109.45 = 49,648.71 : x
2. Step 2: Convert to fraction form
   89,934.89/124,109.45 = 49,648.71/x
3. Step 3: Cross multiply
   89,934.89x = 124,109.45 × 49,648.71
4. Step 4: Simplify right side
   89,934.89x = 6,161,874,091.31
5. Step 5: Solve for x
   x = 6,161,874,091.31/89,934.89
6. Step 6: Final answer
   x = 68,514.83