Finding the Fourth Proportional to 89,448.79, 123,440.60 and 49,166.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,448.79 : 123,440.60 = 49,166.27 : x
2. Step 2: Convert to fraction form
   89,448.79/123,440.60 = 49,166.27/x
3. Step 3: Cross multiply
   89,448.79x = 123,440.60 × 49,166.27
4. Step 4: Simplify right side
   89,448.79x = 6,069,114,300.08
5. Step 5: Solve for x
   x = 6,069,114,300.08/89,448.79
6. Step 6: Final answer
   x = 67,850.16