Finding the Fourth Proportional to 110,354.45, 165,530.79 and 73,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   110,354.45 : 165,530.79 = 73,081.31 : x
2. Step 2: Convert to fraction form
   110,354.45/165,530.79 = 73,081.31/x
3. Step 3: Cross multiply
   110,354.45x = 165,530.79 × 73,081.31
4. Step 4: Simplify right side
   110,354.45x = 12,097,206,150.88
5. Step 5: Solve for x
   x = 12,097,206,150.88/110,354.45
6. Step 6: Final answer
   x = 109,621.38