Finding the Fourth Proportional to 106,881.98, 160,323.38 and 86,796.49

Step by Step Solution

1. Step 1: Write the proportion equation
   106,881.98 : 160,323.38 = 86,796.49 : x
2. Step 2: Convert to fraction form
   106,881.98/160,323.38 = 86,796.49/x
3. Step 3: Cross multiply
   106,881.98x = 160,323.38 × 86,796.49
4. Step 4: Simplify right side
   106,881.98x = 13,915,505,745.21
5. Step 5: Solve for x
   x = 13,915,505,745.21/106,881.98
6. Step 6: Final answer
   x = 130,195.06