Finding the Fourth Proportional to 49,041.30, 73,562.67 and 12,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,041.30 : 73,562.67 = 12,105.30 : x
2. Step 2: Convert to fraction form
   49,041.30/73,562.67 = 12,105.30/x
3. Step 3: Cross multiply
   49,041.30x = 73,562.67 × 12,105.30
4. Step 4: Simplify right side
   49,041.30x = 890,498,189.15
5. Step 5: Solve for x
   x = 890,498,189.15/49,041.30
6. Step 6: Final answer
   x = 18,158.13