Finding the Fourth Proportional to 166,789.29, 250,131.69 and 54,443.91

Step by Step Solution

1. Step 1: Write the proportion equation
   166,789.29 : 250,131.69 = 54,443.91 : x
2. Step 2: Convert to fraction form
   166,789.29/250,131.69 = 54,443.91/x
3. Step 3: Cross multiply
   166,789.29x = 250,131.69 × 54,443.91
4. Step 4: Simplify right side
   166,789.29x = 13,618,147,218.51
5. Step 5: Solve for x
   x = 13,618,147,218.51/166,789.29
6. Step 6: Final answer
   x = 81,648.81