Finding the Fourth Proportional to 162,521.09, 224,285.72 and 89,922.80

Step by Step Solution

1. Step 1: Write the proportion equation
   162,521.09 : 224,285.72 = 89,922.80 : x
2. Step 2: Convert to fraction form
   162,521.09/224,285.72 = 89,922.80/x
3. Step 3: Cross multiply
   162,521.09x = 224,285.72 × 89,922.80
4. Step 4: Simplify right side
   162,521.09x = 20,168,399,942.42
5. Step 5: Solve for x
   x = 20,168,399,942.42/162,521.09
6. Step 6: Final answer
   x = 124,097.12