Finding the Fourth Proportional to 107,733.78, 161,629.83 and 57,804.57

Step by Step Solution

1. Step 1: Write the proportion equation
   107,733.78 : 161,629.83 = 57,804.57 : x
2. Step 2: Convert to fraction form
   107,733.78/161,629.83 = 57,804.57/x
3. Step 3: Cross multiply
   107,733.78x = 161,629.83 × 57,804.57
4. Step 4: Simplify right side
   107,733.78x = 9,342,942,822.32
5. Step 5: Solve for x
   x = 9,342,942,822.32/107,733.78
6. Step 6: Final answer
   x = 86,722.50