Finding the Fourth Proportional to 89,574.81, 123,616.17 and 49,291.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,574.81 : 123,616.17 = 49,291.49 : x
2. Step 2: Convert to fraction form
   89,574.81/123,616.17 = 49,291.49/x
3. Step 3: Cross multiply
   89,574.81x = 123,616.17 × 49,291.49
4. Step 4: Simplify right side
   89,574.81x = 6,093,224,589.31
5. Step 5: Solve for x
   x = 6,093,224,589.31/89,574.81
6. Step 6: Final answer
   x = 68,023.86