Finding the Fourth Proportional to 69,974.96, 104,845.56 and 49,161.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,974.96 : 104,845.56 = 49,161.20 : x
2. Step 2: Convert to fraction form
   69,974.96/104,845.56 = 49,161.20/x
3. Step 3: Cross multiply
   69,974.96x = 104,845.56 × 49,161.20
4. Step 4: Simplify right side
   69,974.96x = 5,154,333,544.27
5. Step 5: Solve for x
   x = 5,154,333,544.27/69,974.96
6. Step 6: Final answer
   x = 73,659.69