Finding the Fourth Proportional to 80,546.58, 111,209.91 and 50,345.46

Step by Step Solution

1. Step 1: Write the proportion equation
   80,546.58 : 111,209.91 = 50,345.46 : x
2. Step 2: Convert to fraction form
   80,546.58/111,209.91 = 50,345.46/x
3. Step 3: Cross multiply
   80,546.58x = 111,209.91 × 50,345.46
4. Step 4: Simplify right side
   80,546.58x = 5,598,914,075.51
5. Step 5: Solve for x
   x = 5,598,914,075.51/80,546.58
6. Step 6: Final answer
   x = 69,511.51