Finding the Fourth Proportional to 162,086.53, 223,679.69 and 90,466.54

Step by Step Solution

1. Step 1: Write the proportion equation
   162,086.53 : 223,679.69 = 90,466.54 : x
2. Step 2: Convert to fraction form
   162,086.53/223,679.69 = 90,466.54/x
3. Step 3: Cross multiply
   162,086.53x = 223,679.69 × 90,466.54
4. Step 4: Simplify right side
   162,086.53x = 20,235,527,622.57
5. Step 5: Solve for x
   x = 20,235,527,622.57/162,086.53
6. Step 6: Final answer
   x = 124,843.98