Finding the Fourth Proportional to 105,921.05, 146,175.64 and 60,613.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,921.05 : 146,175.64 = 60,613.25 : x
2. Step 2: Convert to fraction form
   105,921.05/146,175.64 = 60,613.25/x
3. Step 3: Cross multiply
   105,921.05x = 146,175.64 × 60,613.25
4. Step 4: Simplify right side
   105,921.05x = 8,860,179,728.82
5. Step 5: Solve for x
   x = 8,860,179,728.82/105,921.05
6. Step 6: Final answer
   x = 83,648.91