Finding the Fourth Proportional to 73,140.57, 109,745.69 and 50,685.82

Step by Step Solution

1. Step 1: Write the proportion equation
   73,140.57 : 109,745.69 = 50,685.82 : x
2. Step 2: Convert to fraction form
   73,140.57/109,745.69 = 50,685.82/x
3. Step 3: Cross multiply
   73,140.57x = 109,745.69 × 50,685.82
4. Step 4: Simplify right side
   73,140.57x = 5,562,549,761.32
5. Step 5: Solve for x
   x = 5,562,549,761.32/73,140.57
6. Step 6: Final answer
   x = 76,052.86