Finding the Fourth Proportional to 58,571.62, 80,768.42 and 50,101.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,571.62 : 80,768.42 = 50,101.78 : x
2. Step 2: Convert to fraction form
   58,571.62/80,768.42 = 50,101.78/x
3. Step 3: Cross multiply
   58,571.62x = 80,768.42 × 50,101.78
4. Step 4: Simplify right side
   58,571.62x = 4,046,641,609.79
5. Step 5: Solve for x
   x = 4,046,641,609.79/58,571.62
6. Step 6: Final answer
   x = 69,088.78