Finding the Fourth Proportional to 67,112.15, 100,449.16 and 49,338.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,112.15 : 100,449.16 = 49,338.09 : x
2. Step 2: Convert to fraction form
   67,112.15/100,449.16 = 49,338.09/x
3. Step 3: Cross multiply
   67,112.15x = 100,449.16 × 49,338.09
4. Step 4: Simplify right side
   67,112.15x = 4,955,969,573.16
5. Step 5: Solve for x
   x = 4,955,969,573.16/67,112.15
6. Step 6: Final answer
   x = 73,846.09