Finding the Fourth Proportional to 162,321.89, 243,496.62 and 42,394.73

Step by Step Solution

1. Step 1: Write the proportion equation
   162,321.89 : 243,496.62 = 42,394.73 : x
2. Step 2: Convert to fraction form
   162,321.89/243,496.62 = 42,394.73/x
3. Step 3: Cross multiply
   162,321.89x = 243,496.62 × 42,394.73
4. Step 4: Simplify right side
   162,321.89x = 10,322,972,243.33
5. Step 5: Solve for x
   x = 10,322,972,243.33/162,321.89
6. Step 6: Final answer
   x = 63,595.69