Finding the Fourth Proportional to 105,800.96, 145,938.84 and 73,958.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,800.96 : 145,938.84 = 73,958.24 : x
2. Step 2: Convert to fraction form
   105,800.96/145,938.84 = 73,958.24/x
3. Step 3: Cross multiply
   105,800.96x = 145,938.84 × 73,958.24
4. Step 4: Simplify right side
   105,800.96x = 10,793,379,754.04
5. Step 5: Solve for x
   x = 10,793,379,754.04/105,800.96
6. Step 6: Final answer
   x = 102,015.90