Finding the Fourth Proportional to 105,865.72, 146,095.98 and 60,543

Step by Step Solution

1. Step 1: Write the proportion equation
   105,865.72 : 146,095.98 = 60,543 : x
2. Step 2: Convert to fraction form
   105,865.72/146,095.98 = 60,543/x
3. Step 3: Cross multiply
   105,865.72x = 146,095.98 × 60,543
4. Step 4: Simplify right side
   105,865.72x = 8,845,088,917.14
5. Step 5: Solve for x
   x = 8,845,088,917.14/105,865.72
6. Step 6: Final answer
   x = 83,550.08