Finding the Fourth Proportional to 105,839.45, 146,050.81 and 60,519.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,839.45 : 146,050.81 = 60,519.34 : x
2. Step 2: Convert to fraction form
   105,839.45/146,050.81 = 60,519.34/x
3. Step 3: Cross multiply
   105,839.45x = 146,050.81 × 60,519.34
4. Step 4: Simplify right side
   105,839.45x = 8,838,898,658.93
5. Step 5: Solve for x
   x = 8,838,898,658.93/105,839.45
6. Step 6: Final answer
   x = 83,512.33