Finding the Fourth Proportional to 60,129.54, 90,296.82 and 50,123.97

Step by Step Solution

1. Step 1: Write the proportion equation
   60,129.54 : 90,296.82 = 50,123.97 : x
2. Step 2: Convert to fraction form
   60,129.54/90,296.82 = 50,123.97/x
3. Step 3: Cross multiply
   60,129.54x = 90,296.82 × 50,123.97
4. Step 4: Simplify right side
   60,129.54x = 4,526,035,096.78
5. Step 5: Solve for x
   x = 4,526,035,096.78/60,129.54
6. Step 6: Final answer
   x = 75,271.41