Finding the Fourth Proportional to 89,494.77, 123,505.96 and 49,211.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,494.77 : 123,505.96 = 49,211.62 : x
2. Step 2: Convert to fraction form
   89,494.77/123,505.96 = 49,211.62/x
3. Step 3: Cross multiply
   89,494.77x = 123,505.96 × 49,211.62
4. Step 4: Simplify right side
   89,494.77x = 6,077,927,939.46
5. Step 5: Solve for x
   x = 6,077,927,939.46/89,494.77
6. Step 6: Final answer
   x = 67,913.78