Finding the Fourth Proportional to 105,081.08, 144,840.24 and 73,194.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,081.08 : 144,840.24 = 73,194.56 : x
2. Step 2: Convert to fraction form
   105,081.08/144,840.24 = 73,194.56/x
3. Step 3: Cross multiply
   105,081.08x = 144,840.24 × 73,194.56
4. Step 4: Simplify right side
   105,081.08x = 10,601,517,637.09
5. Step 5: Solve for x
   x = 10,601,517,637.09/105,081.08
6. Step 6: Final answer
   x = 100,888.93