Finding the Fourth Proportional to 162,227.20, 243,243.60 and 83,495.20

Step by Step Solution

1. Step 1: Write the proportion equation
   162,227.20 : 243,243.60 = 83,495.20 : x
2. Step 2: Convert to fraction form
   162,227.20/243,243.60 = 83,495.20/x
3. Step 3: Cross multiply
   162,227.20x = 243,243.60 × 83,495.20
4. Step 4: Simplify right side
   162,227.20x = 20,309,673,030.72
5. Step 5: Solve for x
   x = 20,309,673,030.72/162,227.20
6. Step 6: Final answer
   x = 125,192.77