Finding the Fourth Proportional to 49,100.80, 73,651.12 and 12,164.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,100.80 : 73,651.12 = 12,164.80 : x
2. Step 2: Convert to fraction form
   49,100.80/73,651.12 = 12,164.80/x
3. Step 3: Cross multiply
   49,100.80x = 73,651.12 × 12,164.80
4. Step 4: Simplify right side
   49,100.80x = 895,951,144.58
5. Step 5: Solve for x
   x = 895,951,144.58/49,100.80
6. Step 6: Final answer
   x = 18,247.18