Finding the Fourth Proportional to 70,404.24, 105,517.66 and 50,309.06

Step by Step Solution

1. Step 1: Write the proportion equation
   70,404.24 : 105,517.66 = 50,309.06 : x
2. Step 2: Convert to fraction form
   70,404.24/105,517.66 = 50,309.06/x
3. Step 3: Cross multiply
   70,404.24x = 105,517.66 × 50,309.06
4. Step 4: Simplify right side
   70,404.24x = 5,308,494,288.00
5. Step 5: Solve for x
   x = 5,308,494,288.00/70,404.24
6. Step 6: Final answer
   x = 75,400.21