Finding the Fourth Proportional to 89,389.82, 123,358.76 and 49,104.40

Step by Step Solution

1. Step 1: Write the proportion equation
   89,389.82 : 123,358.76 = 49,104.40 : x
2. Step 2: Convert to fraction form
   89,389.82/123,358.76 = 49,104.40/x
3. Step 3: Cross multiply
   89,389.82x = 123,358.76 × 49,104.40
4. Step 4: Simplify right side
   89,389.82x = 6,057,457,894.54
5. Step 5: Solve for x
   x = 6,057,457,894.54/89,389.82
6. Step 6: Final answer
   x = 67,764.52