Finding the Fourth Proportional to 281,775.42, 388,196.55 and 196,757.82

Step by Step Solution

1. Step 1: Write the proportion equation
   281,775.42 : 388,196.55 = 196,757.82 : x
2. Step 2: Convert to fraction form
   281,775.42/388,196.55 = 196,757.82/x
3. Step 3: Cross multiply
   281,775.42x = 388,196.55 × 196,757.82
4. Step 4: Simplify right side
   281,775.42x = 76,380,706,909.52
5. Step 5: Solve for x
   x = 76,380,706,909.52/281,775.42
6. Step 6: Final answer
   x = 271,069.45