Finding the Fourth Proportional to 108,109.10, 161,774.85 and 73,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,109.10 : 161,774.85 = 73,117.10 : x
2. Step 2: Convert to fraction form
   108,109.10/161,774.85 = 73,117.10/x
3. Step 3: Cross multiply
   108,109.10x = 161,774.85 × 73,117.10
4. Step 4: Simplify right side
   108,109.10x = 11,828,507,884.94
5. Step 5: Solve for x
   x = 11,828,507,884.94/108,109.10
6. Step 6: Final answer
   x = 109,412.69