Finding the Fourth Proportional to 65,958.22, 91,034.04 and 50,015.80

Step by Step Solution

1. Step 1: Write the proportion equation
   65,958.22 : 91,034.04 = 50,015.80 : x
2. Step 2: Convert to fraction form
   65,958.22/91,034.04 = 50,015.80/x
3. Step 3: Cross multiply
   65,958.22x = 91,034.04 × 50,015.80
4. Step 4: Simplify right side
   65,958.22x = 4,553,140,337.83
5. Step 5: Solve for x
   x = 4,553,140,337.83/65,958.22
6. Step 6: Final answer
   x = 69,030.67