Finding the Fourth Proportional to 263,361.42, 363,436.03 and 142,500.04

Step by Step Solution

1. Step 1: Write the proportion equation
   263,361.42 : 363,436.03 = 142,500.04 : x
2. Step 2: Convert to fraction form
   263,361.42/363,436.03 = 142,500.04/x
3. Step 3: Cross multiply
   263,361.42x = 363,436.03 × 142,500.04
4. Step 4: Simplify right side
   263,361.42x = 51,789,648,081.98
5. Step 5: Solve for x
   x = 51,789,648,081.98/263,361.42
6. Step 6: Final answer
   x = 196,648.58