Finding the Fourth Proportional to 89,649.89, 123,715.86 and 49,362.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,649.89 : 123,715.86 = 49,362.62 : x
2. Step 2: Convert to fraction form
   89,649.89/123,715.86 = 49,362.62/x
3. Step 3: Cross multiply
   89,649.89x = 123,715.86 × 49,362.62
4. Step 4: Simplify right side
   89,649.89x = 6,106,938,181.46
5. Step 5: Solve for x
   x = 6,106,938,181.46/89,649.89
6. Step 6: Final answer
   x = 68,119.86