Finding the Fourth Proportional to 89,339.38, 123,290.33 and 49,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,339.38 : 123,290.33 = 49,053.30 : x
2. Step 2: Convert to fraction form
   89,339.38/123,290.33 = 49,053.30/x
3. Step 3: Cross multiply
   89,339.38x = 123,290.33 × 49,053.30
4. Step 4: Simplify right side
   89,339.38x = 6,047,796,974.95
5. Step 5: Solve for x
   x = 6,047,796,974.95/89,339.38
6. Step 6: Final answer
   x = 67,694.64