Finding the Fourth Proportional to 89,479.11, 123,481.59 and 49,195.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,479.11 : 123,481.59 = 49,195.48 : x
2. Step 2: Convert to fraction form
   89,479.11/123,481.59 = 49,195.48/x
3. Step 3: Cross multiply
   89,479.11x = 123,481.59 × 49,195.48
4. Step 4: Simplify right side
   89,479.11x = 6,074,735,620.62
5. Step 5: Solve for x
   x = 6,074,735,620.62/89,479.11
6. Step 6: Final answer
   x = 67,889.99