Finding the Fourth Proportional to 162,520.76, 224,290.37 and 90,923.83

Step by Step Solution

1. Step 1: Write the proportion equation
   162,520.76 : 224,290.37 = 90,923.83 : x
2. Step 2: Convert to fraction form
   162,520.76/224,290.37 = 90,923.83/x
3. Step 3: Cross multiply
   162,520.76x = 224,290.37 × 90,923.83
4. Step 4: Simplify right side
   162,520.76x = 20,393,339,472.52
5. Step 5: Solve for x
   x = 20,393,339,472.52/162,520.76
6. Step 6: Final answer
   x = 125,481.44