Finding the Fourth Proportional to 105,701.37, 145,914.41 and 73,994.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,701.37 : 145,914.41 = 73,994.73 : x
2. Step 2: Convert to fraction form
   105,701.37/145,914.41 = 73,994.73/x
3. Step 3: Cross multiply
   105,701.37x = 145,914.41 × 73,994.73
4. Step 4: Simplify right side
   105,701.37x = 10,796,897,001.09
5. Step 5: Solve for x
   x = 10,796,897,001.09/105,701.37
6. Step 6: Final answer
   x = 102,145.29