Finding the Fourth Proportional to 89,719.89, 123,811.83 and 49,437.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,719.89 : 123,811.83 = 49,437.38 : x
2. Step 2: Convert to fraction form
   89,719.89/123,811.83 = 49,437.38/x
3. Step 3: Cross multiply
   89,719.89x = 123,811.83 × 49,437.38
4. Step 4: Simplify right side
   89,719.89x = 6,120,931,869.15
5. Step 5: Solve for x
   x = 6,120,931,869.15/89,719.89
6. Step 6: Final answer
   x = 68,222.69