Finding the Fourth Proportional to 50,454.48, 75,944.82 and 42,843.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,454.48 : 75,944.82 = 42,843.72 : x
2. Step 2: Convert to fraction form
   50,454.48/75,944.82 = 42,843.72/x
3. Step 3: Cross multiply
   50,454.48x = 75,944.82 × 42,843.72
4. Step 4: Simplify right side
   50,454.48x = 3,253,758,603.53
5. Step 5: Solve for x
   x = 3,253,758,603.53/50,454.48
6. Step 6: Final answer
   x = 64,488.99