Finding the Fourth Proportional to 36,994, 55,480.56 and 12,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,994 : 55,480.56 = 12,028.72 : x
2. Step 2: Convert to fraction form
   36,994/55,480.56 = 12,028.72/x
3. Step 3: Cross multiply
   36,994x = 55,480.56 × 12,028.72
4. Step 4: Simplify right side
   36,994x = 667,360,121.68
5. Step 5: Solve for x
   x = 667,360,121.68/36,994
6. Step 6: Final answer
   x = 18,039.69