Finding the Fourth Proportional to 165,939, 248,933.46 and 53,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   165,939 : 248,933.46 = 53,581.56 : x
2. Step 2: Convert to fraction form
   165,939/248,933.46 = 53,581.56/x
3. Step 3: Cross multiply
   165,939x = 248,933.46 × 53,581.56
4. Step 4: Simplify right side
   165,939x = 13,338,243,123.00
5. Step 5: Solve for x
   x = 13,338,243,123.00/165,939
6. Step 6: Final answer
   x = 80,380.40