Finding the Fourth Proportional to 65,243.97, 90,080.04 and 50,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,243.97 : 90,080.04 = 50,109.59 : x
2. Step 2: Convert to fraction form
   65,243.97/90,080.04 = 50,109.59/x
3. Step 3: Cross multiply
   65,243.97x = 90,080.04 × 50,109.59
4. Step 4: Simplify right side
   65,243.97x = 4,513,873,871.58
5. Step 5: Solve for x
   x = 4,513,873,871.58/65,243.97
6. Step 6: Final answer
   x = 69,184.54