Finding the Fourth Proportional to 89,377.12, 123,338.70 and 49,089.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,377.12 : 123,338.70 = 49,089.95 : x
2. Step 2: Convert to fraction form
   89,377.12/123,338.70 = 49,089.95/x
3. Step 3: Cross multiply
   89,377.12x = 123,338.70 × 49,089.95
4. Step 4: Simplify right side
   89,377.12x = 6,054,690,461.89
5. Step 5: Solve for x
   x = 6,054,690,461.89/89,377.12
6. Step 6: Final answer
   x = 67,743.18