Finding the Fourth Proportional to 49,041.50, 73,563.34 and 12,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,041.50 : 73,563.34 = 12,105.50 : x
2. Step 2: Convert to fraction form
   49,041.50/73,563.34 = 12,105.50/x
3. Step 3: Cross multiply
   49,041.50x = 73,563.34 × 12,105.50
4. Step 4: Simplify right side
   49,041.50x = 890,521,012.37
5. Step 5: Solve for x
   x = 890,521,012.37/49,041.50
6. Step 6: Final answer
   x = 18,158.52