Finding the Fourth Proportional to 161,300.30, 241,986.56 and 54,677.97

Step by Step Solution

1. Step 1: Write the proportion equation
   161,300.30 : 241,986.56 = 54,677.97 : x
2. Step 2: Convert to fraction form
   161,300.30/241,986.56 = 54,677.97/x
3. Step 3: Cross multiply
   161,300.30x = 241,986.56 × 54,677.97
4. Step 4: Simplify right side
   161,300.30x = 13,231,333,594.69
5. Step 5: Solve for x
   x = 13,231,333,594.69/161,300.30
6. Step 6: Final answer
   x = 82,029.20