Finding the Fourth Proportional to 107,871.78, 161,854.43 and 57,893.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,871.78 : 161,854.43 = 57,893.52 : x
2. Step 2: Convert to fraction form
   107,871.78/161,854.43 = 57,893.52/x
3. Step 3: Cross multiply
   107,871.78x = 161,854.43 × 57,893.52
4. Step 4: Simplify right side
   107,871.78x = 9,370,322,997.78
5. Step 5: Solve for x
   x = 9,370,322,997.78/107,871.78
6. Step 6: Final answer
   x = 86,865.38