Finding the Fourth Proportional to 89,315.58, 123,248.72 and 49,022.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,315.58 : 123,248.72 = 49,022.94 : x
2. Step 2: Convert to fraction form
   89,315.58/123,248.72 = 49,022.94/x
3. Step 3: Cross multiply
   89,315.58x = 123,248.72 × 49,022.94
4. Step 4: Simplify right side
   89,315.58x = 6,042,014,605.64
5. Step 5: Solve for x
   x = 6,042,014,605.64/89,315.58
6. Step 6: Final answer
   x = 67,647.94