Finding the Fourth Proportional to 12,127.77, 16,738.37 and 7,022.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,127.77 : 16,738.37 = 7,022.54 : x
2. Step 2: Convert to fraction form
   12,127.77/16,738.37 = 7,022.54/x
3. Step 3: Cross multiply
   12,127.77x = 16,738.37 × 7,022.54
4. Step 4: Simplify right side
   12,127.77x = 117,545,872.86
5. Step 5: Solve for x
   x = 117,545,872.86/12,127.77
6. Step 6: Final answer
   x = 9,692.29