Finding the Fourth Proportional to 105,976.91, 146,247.72 and 60,654.71

Step by Step Solution

1. Step 1: Write the proportion equation
   105,976.91 : 146,247.72 = 60,654.71 : x
2. Step 2: Convert to fraction form
   105,976.91/146,247.72 = 60,654.71/x
3. Step 3: Cross multiply
   105,976.91x = 146,247.72 × 60,654.71
4. Step 4: Simplify right side
   105,976.91x = 8,870,613,044.76
5. Step 5: Solve for x
   x = 8,870,613,044.76/105,976.91
6. Step 6: Final answer
   x = 83,703.26