Finding the Fourth Proportional to 89,674, 123,758.76 and 49,930

Step by Step Solution

1. Step 1: Write the proportion equation
   89,674 : 123,758.76 = 49,930 : x
2. Step 2: Convert to fraction form
   89,674/123,758.76 = 49,930/x
3. Step 3: Cross multiply
   89,674x = 123,758.76 × 49,930
4. Step 4: Simplify right side
   89,674x = 6,179,274,886.80
5. Step 5: Solve for x
   x = 6,179,274,886.80/89,674
6. Step 6: Final answer
   x = 68,908.21