Finding the Fourth Proportional to 106,791.85, 160,108.69 and 64,662.03

Step by Step Solution

1. Step 1: Write the proportion equation
   106,791.85 : 160,108.69 = 64,662.03 : x
2. Step 2: Convert to fraction form
   106,791.85/160,108.69 = 64,662.03/x
3. Step 3: Cross multiply
   106,791.85x = 160,108.69 × 64,662.03
4. Step 4: Simplify right side
   106,791.85x = 10,352,952,754.39
5. Step 5: Solve for x
   x = 10,352,952,754.39/106,791.85
6. Step 6: Final answer
   x = 96,945.16