Finding the Fourth Proportional to 262,756, 362,604.72 and 143,524

Step by Step Solution

1. Step 1: Write the proportion equation
   262,756 : 362,604.72 = 143,524 : x
2. Step 2: Convert to fraction form
   262,756/362,604.72 = 143,524/x
3. Step 3: Cross multiply
   262,756x = 362,604.72 × 143,524
4. Step 4: Simplify right side
   262,756x = 52,042,479,833.28
5. Step 5: Solve for x
   x = 52,042,479,833.28/262,756
6. Step 6: Final answer
   x = 198,063.91