Finding the Fourth Proportional to 162,067.50, 223,675.69 and 90,452.13

Step by Step Solution

1. Step 1: Write the proportion equation
   162,067.50 : 223,675.69 = 90,452.13 : x
2. Step 2: Convert to fraction form
   162,067.50/223,675.69 = 90,452.13/x
3. Step 3: Cross multiply
   162,067.50x = 223,675.69 × 90,452.13
4. Step 4: Simplify right side
   162,067.50x = 20,231,942,589.72
5. Step 5: Solve for x
   x = 20,231,942,589.72/162,067.50
6. Step 6: Final answer
   x = 124,836.52