Finding the Fourth Proportional to 110,665.58, 165,982.16 and 54,490.46

Step by Step Solution

1. Step 1: Write the proportion equation
   110,665.58 : 165,982.16 = 54,490.46 : x
2. Step 2: Convert to fraction form
   110,665.58/165,982.16 = 54,490.46/x
3. Step 3: Cross multiply
   110,665.58x = 165,982.16 × 54,490.46
4. Step 4: Simplify right side
   110,665.58x = 9,044,443,556.51
5. Step 5: Solve for x
   x = 9,044,443,556.51/110,665.58
6. Step 6: Final answer
   x = 81,727.71