Finding the Fourth Proportional to 107,500.23, 161,173.46 and 50,542.18

Step by Step Solution

1. Step 1: Write the proportion equation
   107,500.23 : 161,173.46 = 50,542.18 : x
2. Step 2: Convert to fraction form
   107,500.23/161,173.46 = 50,542.18/x
3. Step 3: Cross multiply
   107,500.23x = 161,173.46 × 50,542.18
4. Step 4: Simplify right side
   107,500.23x = 8,146,057,749.96
5. Step 5: Solve for x
   x = 8,146,057,749.96/107,500.23
6. Step 6: Final answer
   x = 75,777.12