Finding the Fourth Proportional to 80,123.67, 110,604.71 and 49,923.91

Step by Step Solution

1. Step 1: Write the proportion equation
   80,123.67 : 110,604.71 = 49,923.91 : x
2. Step 2: Convert to fraction form
   80,123.67/110,604.71 = 49,923.91/x
3. Step 3: Cross multiply
   80,123.67x = 110,604.71 × 49,923.91
4. Step 4: Simplify right side
   80,123.67x = 5,521,818,784.97
5. Step 5: Solve for x
   x = 5,521,818,784.97/80,123.67
6. Step 6: Final answer
   x = 68,916.20