Finding the Fourth Proportional to 89,286.28, 123,216.59 and 49,003.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,286.28 : 123,216.59 = 49,003.79 : x
2. Step 2: Convert to fraction form
   89,286.28/123,216.59 = 49,003.79/x
3. Step 3: Cross multiply
   89,286.28x = 123,216.59 × 49,003.79
4. Step 4: Simplify right side
   89,286.28x = 6,038,079,900.88
5. Step 5: Solve for x
   x = 6,038,079,900.88/89,286.28
6. Step 6: Final answer
   x = 67,626.07