Finding the Fourth Proportional to 89,916.72, 124,076.22 and 49,627.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,916.72 : 124,076.22 = 49,627.89 : x
2. Step 2: Convert to fraction form
   89,916.72/124,076.22 = 49,627.89/x
3. Step 3: Cross multiply
   89,916.72x = 124,076.22 × 49,627.89
4. Step 4: Simplify right side
   89,916.72x = 6,157,640,997.78
5. Step 5: Solve for x
   x = 6,157,640,997.78/89,916.72
6. Step 6: Final answer
   x = 68,481.60