Finding the Fourth Proportional to 89,386.78, 123,355.02 and 49,104.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,386.78 : 123,355.02 = 49,104.16 : x
2. Step 2: Convert to fraction form
   89,386.78/123,355.02 = 49,104.16/x
3. Step 3: Cross multiply
   89,386.78x = 123,355.02 × 49,104.16
4. Step 4: Simplify right side
   89,386.78x = 6,057,244,638.88
5. Step 5: Solve for x
   x = 6,057,244,638.88/89,386.78
6. Step 6: Final answer
   x = 67,764.43