Finding the Fourth Proportional to 72,198.34, 108,297.81 and 47,395.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,198.34 : 108,297.81 = 47,395.33 : x
2. Step 2: Convert to fraction form
   72,198.34/108,297.81 = 47,395.33/x
3. Step 3: Cross multiply
   72,198.34x = 108,297.81 × 47,395.33
4. Step 4: Simplify right side
   72,198.34x = 5,132,810,172.48
5. Step 5: Solve for x
   x = 5,132,810,172.48/72,198.34
6. Step 6: Final answer
   x = 71,093.19