Finding the Fourth Proportional to 108,771.57, 162,945.34 and 61,241.38

Step by Step Solution

1. Step 1: Write the proportion equation
   108,771.57 : 162,945.34 = 61,241.38 : x
2. Step 2: Convert to fraction form
   108,771.57/162,945.34 = 61,241.38/x
3. Step 3: Cross multiply
   108,771.57x = 162,945.34 × 61,241.38
4. Step 4: Simplify right side
   108,771.57x = 9,978,996,925.70
5. Step 5: Solve for x
   x = 9,978,996,925.70/108,771.57
6. Step 6: Final answer
   x = 91,742.69