Finding the Fourth Proportional to 162,253.54, 243,380.49 and 42,310.38

Step by Step Solution

1. Step 1: Write the proportion equation
   162,253.54 : 243,380.49 = 42,310.38 : x
2. Step 2: Convert to fraction form
   162,253.54/243,380.49 = 42,310.38/x
3. Step 3: Cross multiply
   162,253.54x = 243,380.49 × 42,310.38
4. Step 4: Simplify right side
   162,253.54x = 10,297,519,588.03
5. Step 5: Solve for x
   x = 10,297,519,588.03/162,253.54
6. Step 6: Final answer
   x = 63,465.61