Finding the Fourth Proportional to 243,500.37, 363,467.40 and 214,738.82

Step by Step Solution

1. Step 1: Write the proportion equation
   243,500.37 : 363,467.40 = 214,738.82 : x
2. Step 2: Convert to fraction form
   243,500.37/363,467.40 = 214,738.82/x
3. Step 3: Cross multiply
   243,500.37x = 363,467.40 × 214,738.82
4. Step 4: Simplify right side
   243,500.37x = 78,050,560,584.47
5. Step 5: Solve for x
   x = 78,050,560,584.47/243,500.37
6. Step 6: Final answer
   x = 320,535.70