Finding the Fourth Proportional to 162,059.43, 223,653.24 and 90,453.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,059.43 : 223,653.24 = 90,453.42 : x
2. Step 2: Convert to fraction form
   162,059.43/223,653.24 = 90,453.42/x
3. Step 3: Cross multiply
   162,059.43x = 223,653.24 × 90,453.42
4. Step 4: Simplify right side
   162,059.43x = 20,230,200,452.08
5. Step 5: Solve for x
   x = 20,230,200,452.08/162,059.43
6. Step 6: Final answer
   x = 124,831.99