Finding the Fourth Proportional to 80,594.19, 111,275.37 and 50,394.15

Step by Step Solution

1. Step 1: Write the proportion equation
   80,594.19 : 111,275.37 = 50,394.15 : x
2. Step 2: Convert to fraction form
   80,594.19/111,275.37 = 50,394.15/x
3. Step 3: Cross multiply
   80,594.19x = 111,275.37 × 50,394.15
4. Step 4: Simplify right side
   80,594.19x = 5,607,627,687.09
5. Step 5: Solve for x
   x = 5,607,627,687.09/80,594.19
6. Step 6: Final answer
   x = 69,578.56