Finding the Fourth Proportional to 69,198.48, 103,418.56 and 50,517.86

Step by Step Solution

1. Step 1: Write the proportion equation
   69,198.48 : 103,418.56 = 50,517.86 : x
2. Step 2: Convert to fraction form
   69,198.48/103,418.56 = 50,517.86/x
3. Step 3: Cross multiply
   69,198.48x = 103,418.56 × 50,517.86
4. Step 4: Simplify right side
   69,198.48x = 5,224,483,692.09
5. Step 5: Solve for x
   x = 5,224,483,692.09/69,198.48
6. Step 6: Final answer
   x = 75,499.98