Finding the Fourth Proportional to 243,436.58, 335,884.90 and 141,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   243,436.58 : 335,884.90 = 141,401.42 : x
2. Step 2: Convert to fraction form
   243,436.58/335,884.90 = 141,401.42/x
3. Step 3: Cross multiply
   243,436.58x = 335,884.90 × 141,401.42
4. Step 4: Simplify right side
   243,436.58x = 47,494,601,816.56
5. Step 5: Solve for x
   x = 47,494,601,816.56/243,436.58
6. Step 6: Final answer
   x = 195,100.51