Finding the Fourth Proportional to 105,589.16, 145,676.61 and 60,234.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,589.16 : 145,676.61 = 60,234.42 : x
2. Step 2: Convert to fraction form
   105,589.16/145,676.61 = 60,234.42/x
3. Step 3: Cross multiply
   105,589.16x = 145,676.61 × 60,234.42
4. Step 4: Simplify right side
   105,589.16x = 8,774,746,110.92
5. Step 5: Solve for x
   x = 8,774,746,110.92/105,589.16
6. Step 6: Final answer
   x = 83,102.72